baber/WOPTO huggingface dataset:
Patent ES-2367057-B1 (ES)
Title: Dispositivo de cierre para compensar deformaciones.
Inventor: GARCIA CRESPO CARLOS
IPC: B30B15/00
Filed: 2008-02-07
Granted: 2012-09-17
Abstract: Dispositivo de cierre para un aparato (200) de conformado, comprendiendo el aparato (200) una estructura con un carro (201) y una mesa (202) entre los que se disponen unos moldes (203, 204) con un material maleable (10) para conformarlo. La estructura comprende además dos columnas (205, 206) paralelas, perpendiculares a la mesa (202) y que están separadas por una distancia que define una región donde están dispuestos los moldes (203, 204). El dispositivo comprende un elemento de compensación (1, 21) para cada columna (205, 206), con una superficie inclinada (1a, 21a), un orificio (3, 23) pasante en cada columna (205, 206), y unos medios de fuerza (2, 22) para cada elemento de compensación (1, 21), que actúan sobre dichos elementos de compensación (1, 21) con una fuerza que provoca que se dispongan en dichos orificios (3, 23).
Patent ES-2355681-B1 (ES)
Title: Descargador de intervalos y sobretensiones polarizado para líneas de ferrocarril electrificadas en corriente continua.
Inventor: MONTERO MELO JUAN MANUEL
IPC: H02H1/04
Filed: 2008-02-15
Granted: 2011-11-21
Abstract: Dispositivo de protección de equipos eléctricos ferroviarios y de las personas, contra los efectos producidos por contactos eléctricos de la catenaria con cualquier elemento de la infraestructura de la línea de ferrocarril.#Constituido por un rectificador de alta potencia (R) polarizado entre red de tierras y carril, equipado con disipador de calor (DS). Conjunto de varistores ignífugos escalonados de potencia (V), descargador de gas metalcerámico energético (DG) y seccionador de seguridad (S).#Instalado en intervalos regulares en la línea , ante un contacto de la catenaria con cualquier elemento de la infraestructura, ocasiona un cortocircuito direccional tierra-carril provocando el disparo seguro de los disyuntores extrarrápidos de las subestaciones colindantes, interrumpiendo automáticamente la alimentación de catenaria. Las sobretensiones transitorias tierra-carril son absorbidas de modo que permanezcan dentro de los márgenes tolerables por los equipos y las personas.#Elimina todo riesgo eléctrico derivado del contacto eléctrico entre la catenaria y la infraestructura férrea.
Patent ES-2349816-B1 (ES)
Title: Sistema de medida de la posicion axial de ejes.
Inventor: SANCHEZ EXPOSITO JOSE MANUEL
IPC: G01D5/12
Filed: 2009-05-13
Granted: 2011-11-14
Abstract: Sistema de medida de la posición axial de ejes, a partir de la señal eléctrica generada por uno o más sensores al paso de dientes de una rueda dentada fijada sobre dicho eje. La rueda dentada se talla con al menos un grupo de dientes, compuesto por al menos tres tipos de dientes de diferente altura: un primer tipo de dientes (1) de altura constante máxima, un segundo tipo de dientes (2) de altura constante mínima, y un tercer tipo de dientes (3) de altura variable en la dirección axial del eje entre las alturas máxima y mínima de los dientes del primero y segundo tipo.
Patent ES-2367191-B1 (ES)
Title: Interruptor giratorio, en especial, interruptor selector de temperatura, para una plancha.
Inventor: LARRANAGA CANO MIGUEL ANGEL
IPC: H01H19/11
Filed: 2009-10-30
Granted: 2012-09-04
Abstract: Interruptor giratorio, en especial, interruptor selector de temperatura, para una plancha.#La presente invención se refiere a un interruptor giratorio (2) para el ajuste de una posición de conexión, con un elemento de encaje (14) que engrana en una vía de engranaje (50) de un plato giratorio (18) para la definición de la posición de conexión, la cual se caracteriza porque el elemento de encaje (14) está empotrado entre un dispositivo de intensificación del sonido (16) y el plato giratorio (18).#El interruptor giratorio (2) según la invención es apropiado en especial como selector de temperatura para el ajuste de una temperatura nominal de una plancha.
Patent ES-2393732-B1 (ES)
Title: Seguidor solar para captadores de radiaciones solares.
Inventor: CLAVIJO LUMBRERAS MIGUEL
IPC: H02S20/32
Filed: 2011-05-26
Granted: 2013-09-26
Abstract: Seguidor solar para captadores de radiaciones solares, formado por una estructura portadora (1) que incorpora un medio (2) captador de las radiaciones solares, yendo dicha estructura portadora (1) en montaje basculante, mediante acoplamientos (7) de giro situados en una línea transversal que pasa por el centro de masas de la misma, sobre una estructura sustentadora que se apoya mediante acoplamientos de rodadura abrazantes sobre un raíl (5) circular.
Patent ES-2397171-B1 (ES)
Title: Sistema de construcción modular de edificios a partir de elementos prefabricados.
Inventor: SOLDEVILA BARBOSA ALFONSO
IPC: E04B1/04
Filed: 2011-05-24
Granted: 2014-01-10
Abstract: Sistema de construcción modular de edificios a partir de elementos prefabricados.#Sistema de construcción modular de edificios, que comprende marcos estructurales (1, 2, 3, 4); placas de forjado (5, 6, 7) destinadas a apoyarse en los marcos estructurales (1, 2, 3, 4); siendo los marcos estructurales (1, 2, 3, 4) elementos de hormigón armado con un marco rectangular (M) y travesaños verticales (V); comprendiendo estos elementos estructurales (1, 2, 3, 4) unos salientes (S) de apoyo perpendiculares al plano general del marco (1, 3); apoyándose las placas (5, 6, 7) en dichos salientes (S), siendo el espesor de dichas placas al nivel de los salientes tal que la superficie superior de las placas de forjado (5, 6, 7) quedan enrasadas con las superficies superiores de las vigas inferiores de los marcos (1, 2, 3, 4), y apoyándose los marcos estructurales de las plantas superiores en los elementos correspondientes inferiores.
Patent ES-2458270-B1 (ES)
Title: Procedimiento para el tratamiento de extractos de plantas medicinales y similares en un medio líquido.
Inventor: VEGA ORTEGA ANTONIO ADOLFO
IPC: A61K41/00
Filed: 2012-10-30
Granted: 2015-02-04
Abstract: Procedimiento para el tratamiento de extractos de plantas medicinales y similares en un medio líquido.#Procedimiento para reforzar el efecto terapéutico de cualquier producto usado para mejorar la salud mediante la introducción en el mismo de frecuencias vibratorias electromagnéticas que permite ampliar y mejorar los efectos curativos del producto original. Para ello, el procedimiento consiste básicamente en, una vez obtenido el producto medicinal se le introducen diversas frecuencias vibratorias electromagnéticas procedentes de un software o directamente desde las sustancias que las contengan.
Patent ES-2546245-B1 (ES)
Title: Disposicion publicitaria para canchas deportivas
Inventor: MORA VERA FELIPE
IPC: G09F15/00
Filed: 2014-02-21
Granted: 2016-07-04
Abstract: Disposición publicitaria para canchas deportivas que comprende un alojamiento practicado en el terreno de la cancha deportiva para recepción de un elemento publicitario plano.
Patent ES-2546244-B1 (ES)
Title: Tapón de cierre reforzado para recipiente
Inventor: BERROA GARCIA FRANCISCO JAVIER
IPC: B65D47/00
Filed: 2014-03-21
Granted: 2016-06-28
Abstract: Tapón de cierre reforzado para recipiente.#Especialmente aplicable a recipientes de bebidas, permite distribuir las cargas a las que está sometido el tapón de cierre (1) impidiendo que éste se deforme sobre el cuello de botella (C) de un recipiente, donde la superficie interna (4) del tapón de cierre (1) comprende al menos un par de nervios de refuerzo (10) axial y radial, localizados entre la pared superior (2) y el hilo de rosca (5) más próximo a la pared superior (2); donde los nervios de refuerzo (10) comprenden un tramo inferior (11) unido a una cara superior (5A) del hilo de rosca (5), un tramo central (12) y un tramo superior (13) unidos a la superficie interna (4) del tapón de cierre (1); actuando dichos nervios de refuerzo (10) como elementos distribuidores de carga en caso de recibir esfuerzos axiales en sentido vertical, o radiales en sentido horizontal, sobre el tapón de cierre (1).
Patent ES-2594508-B1 (ES)
Title: Nanofluidos electroactivos basados en grafeno como electrodos liquidos en celdas de flujo
Inventor: GOMEZ ROMERO PEDRO
IPC: B82Y30/00
Filed: 2015-05-20
Granted: 2017-09-27
Abstract: Nanofluidos electroactivos basados en grafeno como electrodos líquidos en celdas de flujo.#La invención se refiere a nanofluidos electroactivos muy estables que comprenden compuestos basados en grafeno y sus procesos de obtención. Además, la presente invención se refiere al uso de dichos nanofluidos electroactivos como electrodos líquidos para almacenamiento de energía en celdas de flujo.
Patent ES-2638718-B1 (ES)
Title: Un sistema de conversión de energía trifásica de media tensión para acoplar una fuente de energía a una red de suministro eléctrico
Inventor: MAYOR MIGUEL ALVAR GONZALO
IPC: H02M5/40
Filed: 2016-04-21
Granted: 2018-09-13
Abstract: Un sistema de conversión de energía trifásica de media tensión para acoplar una fuente de energía a una red de suministro eléctrico. Comprende un convertidor de potencia (51) y un Filtro-"Notch" (53). El sistema de control de conmutación (67) del inversor (65) del convertidor de potencia (51) se basa en patrones SHE-PWM. El Filtro-"Notch" (53) está dispuesto para atenuar la frecuencia del primer armónico que el sistema de control de conmutación (67) del inversor (65) no puede atenuar y configurado con medios de amortiguación capaces de suavizar la frecuencia de resonancia sin afectar a la frecuencia "notch".
Patent ES-2630208-B1 (ES)
Title: Remo aplicable en la práctica de patinaje.
Inventor: DANTAS SIERRA RICARDO
IPC: A63C17/26
Filed: 2016-02-16
Granted: 2018-03-13
Abstract: Remo aplicable en la práctica de patinaje; que comprende una caña (11) provista de un extremo superior y de un extremo inferior; y que dispone en su extremo superior de una empuñadura (12); y en su extremo inferior de una rueda libre (13) que se encuentra posibilitada de giro en un sentido de avance, e imposibilitada de giro en un sentido de retroceso. La empuñadura (12) y la rueda libre (13) se encuentran dispuestas en dos planos perpendiculares, transversal y longitudinal, respectivamente.
Patent JO-2061-B1 (JO)
Title: Repellent pest control system
Inventor: CATHERINE FOCHEUX
IPC: A01N53/00
Filed: 1998-06-11
Granted: 2000-05-21
Abstract: A repellent solid pest control system which includes a polymeric matrix, a liquid plasticizer, a pest control active ingredient and triphenyl phosphate as a carrier for the active ingredient. Protection of dogs from bites of phlebotomine sandflies by using systems according to the inventor for the control of canine leishmaniasis.
Patent KR-790000740-B1 (KR)
Title: Circuit arrangement for conversion of an analog signal into a binary signal
Inventor: FREDDY ACHIEL CORNELIUS BROUCK
Filed: 1974-11-19
Granted: 1979-06-28
Abstract: A circuit converting an analog signal(a) into a binary(f) was comprised of coupling two threshold limiter circuits (B,C) having different signal threshold(UB,UC) together to input terminal(A) of the circuit supplying the analog signal and to two monostable multivibrators (D,E). The circuits(B,C) and multivibrators(D,E) were coupled to a set input and a reset input of flip-flop(F) each other. The circuit depends on maximum and minimum value of the (UB) in (B) and (UC) in (C).
Patent KR-790001084-B1 (KR)
Title: Method for manufacturing of wollastonite crystals
Inventor: KAZUHIKO KUBO
Filed: 1975-02-17
Granted: 1979-08-26
Abstract: Hydrous wollastonite slurry was prepd. dispersing wollastonite crystal into water forming a rectangular shaped lump with a crust radius<150μ and internal spaces. The curst had a three dimensional cross-linked structure and contained at least 50% β-wollastonite. Useful products were prepd. by shaping the slurry into desired shape and drying.
Patent KR-800000317-B1 (KR)
Title: Automatic luminance channel frequency response control apparatus
Inventor: AVINS J
IPC: H04N5/14
Filed: 1975-10-20
Granted: 1980-04-16
Abstract: This apparatus comprises a source of video signals, signal delaying means and a plurality of signal coupling means.  A delay line(110) suitable for television video signals is included in the luminance channel(16) of a television video signal processing apparatus.  A plurality of tops(112a-m) are coupled to the delay line for developing a plurality of delayed video signals.  A bandwidth determining signal is derived from at least a third of the delayed video signals located in time between the first and the second delayed signal.
Patent KR-790000725-B1 (KR)
Title: Method of manufacturing of dinitriles from thio dinitriles
Inventor: CALLAHAN J L
Filed: 1975-11-14
Granted: 1979-06-28
Abstract: Sulfur was eliminated from thiodinitriles, e.g., thiodipropionitrile, to give the resp. dinitrile, e.g., adiponitrile, by heating the thiodinitrile at 200-700≰C; the elimination could be strictly a thermal reaction or a reaction conducted in the presence of other gases, liqs. pr solids. Optimum conditions (from 105 examples) were 555≰C with bonded Cu flake present; 91.6% adiponitrile was obtained with 62.1% conversion.
Patent KR-810000399-B1 (KR)
Title: Slag quenching method for pyrolysis furnaces
Inventor: ANDERSON J
IPC: C03B37/00
Filed: 1977-05-31
Granted: 1981-04-27
Abstract: Molten slag discharged by gravity from a non-submerged furnace tap hole passes into a closed vertical duct(106) the upper end of which is sealed to the tap hole(102) while the lower end is deeply immersed into water in a quench tank(113).  The water is at a sufficiently high temp. to prevent slag explosions.  The water in the duct is maintained between 65≰C and its b. pt. by withdrawal of hot fluid and replacement by cooler water whereby the flow of steam to the tap hole region is prevented. Pref. the inner wall of the duct is wetted with a film of water to prevent slag adhesion.
Patent KR-830000347-B1 (KR)
Title: 저 압 필 터
IPC: B01D46/04
Filed: 1978-12-19
Granted: 1983-03-05
Abstract: 내용 없음.
Patent KR-820001429-B1 (KR)
Title: Countercurrent liquid solid contacting apparatus
Inventor: IKEDA Y
Filed: 1979-05-23
Granted: 1982-08-14
Abstract: Apparatus for liquid purification by countercurrent liquid-solid contact has stacked lower filtering and upper-regeneration columns, the liquid passing upwardly through the filter bed.  The regeneration column lower end opens into the filtering column and supplied filtering material sufficient to compensate for reduction in the amount in the filtering column on withdrawal of an amount from the bottom for delivery to the regeneration column.  An exhaust pipe extends from a port in the regeneration column and has a liquid seal spaced vertically a set distance below the port so that suspended solids are discharged from the regeneration column.
Patent KR-810001166-B1 (KR)
Title: Mechanism of fountain pen
Inventor: LEE HAE BEOM
IPC: B43K5/06
Filed: 1980-01-24
Granted: 1981-09-25
Abstract: The mechanism of fountain pen for use of various colors, which is composed of many colored water-soluble solutes(powdered dyes) and solvent (water) with separating supply within the pen unit is described.  The fountain pen comprises a main body(2) with a general pen point(1), a mixing chamber(16), a holded piston(4) which incorporates a rotatable member(5) by a groove(6), three cases(6') for water-soluble solute, and a declined rear body(10).  The rear body(10) having a spoon(p) and an injection hold(12') at the bottom and pump chambers(11') which connects with the injection hole(12') by a discharge hole(12) at the upper portion is mounted on the main body(2).
Patent KR-840001490-B1 (KR)
Title: Process for the continuous manufacture of siloxane polymers
Inventor: PETERSEN LOUIS PAUL
IPC: C08G77/00
Filed: 1980-06-18
Granted: 1984-09-28
Abstract: Continuous polymerization of silanol-terminated diorganosiloxanes of viscosity 500-500000 cps. at 25oC involves mixing degassed and preheated cyclopolysiloxanes with an amt. of basic catalyst effective for catalyzing the polymerization; passing the mixt. into a static mixer, which gives uniform plug-flow characteristics to the catalyzed mixt. under pressure, while providing a sufficient residence time for completion of the polymerization. The viscosity is controlled by introducing to the initial part of the static mixer reaction zone 100-500 ppm water as a chain-stopper. An amt. of a neutralizer effective of neutralizing the catalyst is mixed into the mixer and finally the solution is through a mixer to complete the neutralization.
Patent KR-810001601-B1 (KR)
Title: Formation method with aluminum of bottom of stanless steel pot
Inventor: SON KYUNG SHIK
IPC: B22D21/04
Filed: 1980-09-29
Granted: 1981-10-27
Abstract: The method comprises forming grooves(3) (4) in the outer bottom of the oven(1) and projecting part(2) in the inner bottom, then cutting hole, which is about 95% of the inner bottom area, and making aluminum plate the bottom of stainless steel oven by pouring aluminum melt to the outer bed, which is set by mould, between the projecting part and grooves.
Patent KR-880000566-B1 (KR)
Title: Guiding beraing device for a standing revolutioner
Inventor: TOMIOKKA SUNJD
IPC: F16N7/28
Filed: 1981-09-23
Granted: 1988-04-15
Abstract: The bearing system for a vertical rotary machine has the guide bearing immersed in oil in an oil tank (10) around the rotor shaft (1).  The guide bearing has a cylindrical bearing surface (7) juxtaposed against the peripheral surface of the rotor shaft and several axially extending oil grooves formed in the cylindrical bearing surface.  An oil guides is mounted on a lower end surface of the guide bearing adjacent to the open lower axial end of each oil groove.  Each oil guide has a guide surface facing a flow of oil in the oil tank induced by the rotation of the rotor shaft for guiding the oil flow into the associated oil groove.
Patent KR-880001105-B1 (KR)
Title: Process for preparing 1-benzil-4-(4-(2-pyrimidinylamino)benjil)-2,3-dioxopiperajine derivatives
Inventor: TAKAKO HORI
IPC: C07D403/12
Filed: 1982-02-06
Granted: 1988-06-29
Abstract: The title compd. of formula (I) or its salt is prepd. by reacing, 1,1-benzyl-4-[4-(2-pyrimidinyl amino) benzyl -2,3-dioxopiperazine or its reactive deriv.  With (II).  In the formula, R1=C1-8  alkyl, phenyl or C1-8 acyl gp.; R2=H; X=O or S; Y=activated gp.  The novel compd. is useful as an anti-cancer medicine.
Patent KR-880001447-B1 (KR)
Title: Methods of manufacturing non-skid out-sole
Inventor: MINAGUCHI HOICHI
IPC: A43B13/22
Filed: 1982-05-15
Granted: 1988-08-10
Abstract: Soles of good skid resistance and mechanical strength are obtained as the layer of urethane resin is provided in the portion where load is to be concentrated on the surface of a shoe sole. Sole is mfd. by; 1) cutting off a required portion of the surface of a shoe sole so as to remove all or part of the silver layer (4); 2) uniformly driving a number of small-dia. hobnails (7) into the cut portion of the surface of the sole to make denser the fibres (6) of at least the skin layer, and; 3) filling urethane resin as a skid-proofing and reinforcing material (12) into the cut portion of the silver layer.
Patent KR-900004260-B1 (KR)
Title: Cathod ray tube
Inventor: PEELS ANTONIUS H P
IPC: H01J29/48
Filed: 1983-10-28
Granted: 1990-06-18
Abstract: A cathode-ray tube comprises in an evacuated envelope means to generate at least one electron beam and to form a cross-over behind which, viewed in the direction of propagation of the electron beam, are provided successively an accelerating prefocussing lens comprising a first and second lens electrode centred around an axis, and a main focussing lens comprising at least two lens electrodes, wherein the diameter of the aperture in the second lens electrode is smaller than twice the diameter of the aperture in the first lens electrode and the effective spacing S-EFF between the first and the second lens electrodes is smaller than 1 mm, S-EFF being defined as the minimum of the function.
Patent KR-860001058-B1 (KR)
Title: Semiconductor memory device
Inventor: TAKEMAE YOSHIHIRO
IPC: H01L27/108
Filed: 1983-12-10
Granted: 1986-08-01
Abstract: Multilayer capacitor memory cell is applied to a semiconductor memory device with folded bit line. Electrodes of the memory cell capacitor are formed over word lines which have no memory cell. An oxide layer (2) is formed on a p-type semiconductor substrate (1). Word lines (WL1,WL2) of a polycrystalline silicon layer are formed thereon. N- type impurity diffusion wells (4,5) are formed by self-alignment. An electrode (E0) of a second polycrystalline silicon layer is formed over the word lines. The opposite electrode (E1) of a third polycrystalline silicon layer is formed on an insulating layer (6). The semiconductor memory device has a high degree of integration and capacitance.
Patent KR-930007633-B1 (KR)
Inventor: NEMOTO ISAO
IPC: F16H1/16
Filed: 1985-03-30
Granted: 1993-08-14
Abstract: 내용 없음.
Patent KR-880000206-B1 (KR)
Title: Circuit for controlling the movement of fluid-pressure servo valve
Inventor: KIM MYONG-GUN
IPC: F15B9/09
Filed: 1985-05-30
Granted: 1988-03-12
Abstract: The control circuit of the invention includes a rectangular wave oscillator section, a detect-amplifier section for detecting the position of a spool moving in association with the flow of the hydraulic servo valve, and a comparator section for comparing the output of the detect-amplifier with the command signal for controlling the servo valve.  The displacement of the spool of the linear variable differential transformer (LVDT) is compared with the signal voltage of a set value to control and keep steady the flow of the valve.
Patent KR-870000830-B1 (KR)
Title: Process of formic crystalline ceftazidime pentahydrate
Inventor: CHOU TA-SEN
IPC: A61K31/545
Filed: 1985-07-01
Granted: 1987-04-23
Abstract: An antibiotic, ceftazidime 5.H2O, is prepd. Thus, 18.36g (6R, 7R)-7- [Z)2-(2-tritylaminothiazol-4-yl)-2-(2-t-butyloxy-carbonyl prop-2- oxyimino)acetami -3-(1-pyridium methyl)-3-cephem-4-carboxylate is mixed with 40ml 98%-formic acid, stirred for 30min, cooled to 10-15≰C, and treated with 8.0ml conc. H2SO4. After stirring at room temp. for 3.5h, the soln. is adjusted to pH=3.0 with 6N-NaOH and treated with 100ml ethylacetate to give 8.2g ceftazidime 5H2O.
Patent KR-930011696-B1 (KR)
Title: Tape cassette
Inventor: KAWADA HIDEAKI
IPC: G11B23/087
Filed: 1985-07-23
Granted: 1993-12-18
Abstract: A tape cassette comprising a tape (2), a casing (1) for enclosing the tape (2) therein and having an opening (5) for drawing out the tape (2) therefrom, a lid (4) consisting of a front plate (4a) and a pair of side plates (4c) projecting from the front plate (4a) and rotatably supported on the casing (1) at the side plates (4c) so as to cover the opening (5) and a lock lever (13) arranged within the casing (1) so as to be rotatably supported, the axis of rotation of the lock lever (13) is parallel to the axis of rotation of the lid (4) and is located between the front plate (4a) of the lid (4) and the axis of the casing (1), the lid (4) having projection (4d) or recess (4e) on the inside of the front plate (4a) of the lid (4), and the lock lever (13) having a corresponding projection (13b, 13d) to be engaged with the projection (4d) or recess (4e) of the lid (4) for locking the lid (4) in a closed state during unused.
Patent KR-900000453-B1 (KR)
Title: Epoxy resin composition
Inventor: ANDO TOSHIHARU
IPC: C08L63/00
Filed: 1985-12-13
Granted: 1990-01-30
Abstract: (A) an epoxy resin of epoxy equiv. 200 or less; (B) a mixt. of polybasic carboxylic anhydride and aromatic ester pref. a mixt. comprising of monoester and diester of formula (I),(II) resp. which is bonded by opt. substd. C6-8 hydrocarbon gp. with bisphenol A, as curing agnet; and (C) inorganic powder as filler.  The compsn. is used as insulation for electrical components.  The compsn. has retained viscosity for useful processing time at low temp. and rapid curing rate at high temp. whilst maintaining the heat resistance and heat shock resisting properties of low viscosity epoxy resin.  In the formulas, R1,R2 and R3 are C6-8 opt. substd. ring-hydrocarbon e.g.benzene-ring, methyl-substd. cyclohexane-ring.
Patent KR-930007660-B1 (KR)
Inventor: CYRON THEODOR
IPC: B01J35/04
Filed: 1986-07-29
Granted: 1993-08-18
Abstract: 내용 없음.