baber/WOPTO huggingface dataset:
Patent ES-2578705-B1 (ES)
Title: Andamio macroporoso para ingeniería de tejidos óseos, método de diseño tridimensional y aplicaciones
Inventor: GOMEZ GONZALEZ SERGIO
IPC: G06T17/00
Filed: 2015-01-28
Granted: 2017-08-04
Abstract: Andamio macroporoso para ingeniería de tejidos óseos, método de diseño tridimensional y aplicaciones.#Método de obtención, mediante técnicas computacionales de diseño asistido por ordenador basadas en el método de Voronoi, de un andamio de macroporosidad interconectada y variable definida a partir del espesor trabecular de sección no constante (Tb.Th), la separación trabecular (Tb.Sp), el número de puntos de nucleación de Voronoi y el volumen de la zona a rellenar del defecto óseo para su fabricación por impresión tridimensional (3D) con materiales biocompatibles.#Esta invención es aplicable en el campo dedicado a la fabricación de andamios biocompatibles, biodegradables y bioactivos para la regeneración del tejido óseo con técnicas de prototipado rápido en aplicaciones que requieren la combinación variable de porosidad, resistencia y permeabilidad en diferentes regiones del mismo con el fin de mejorar la combinación de resistencia y las propiedades de flujo o transporte de masa.
Patent ES-2598170-B1 (ES)
Title: Procedimiento de elaboración de patatas fritas a la inglesa personalizadas
Inventor: SALCEDO TORREDEFLOT ANNA
IPC: B41M1/26
Filed: 2015-07-22
Granted: 2017-11-10
Abstract: Procedimiento de elaboración de patatas fritas a la inglesa personalizadas mediante una imagen impresa con tintas comestibles en obleas comestibles, cuyas etapas más novedosas son la impresión de una imagen en obleas y su posterior troquelado, y la colocación de las referidas imágenes superpuestas en las láminas de patatas ante de su freído.
Patent ES-2610793-B1 (ES)
Title: Equipo para regular la aparición de publicidad en gasolineras y procedimiento para dicha regulación.
Inventor: PAU FURLANETTO EDUARD
IPC: G09F23/00
Filed: 2016-09-06
Granted: 2018-02-07
Abstract: Equipo para regular la aparición de publicidad en gasolineras y procedimiento para dicha regulación, que comprende: una pantalla (2), un sensor (3), asociado al surtidor (4) que detecta el inicio y final del servicio, base de datos de publicidad, y software que regula la publicidad en la pantalla cuando el sensor detecta inicio del servicio de combustible. Además, el surtidor (4) va dotado de indicadores (7) del volumen a servir, un software que escoge la publicidad de una duración similar al tiempo previsto de duración del servicio. También posee una impresora de tiques (8) y un medio accionador (9), y software que imprime los tiques con promoción o descuento relacionados con la publicidad mostrada. Asimismo, posee medios de identificación del usuario (10), una base de datos con información del perfil y un software que selecciona publicidad en función de dichos datos del perfil de usuario. El procedimiento que regula la aparición de publicidad prevé etapas de detección del inicio del servicio, de selección del contenido publicitario, de reproducción mediante la pantalla (2) y de detección del fin del servicio por sensor (3).
Patent JO-3670-B1 (JO)
Title: Succinate salt of 7-cyclopentyl-2 -(5-piperazin-1-yl-pyridin-2-ylamino)-7h-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide and processes of making thereof
Inventor: JOHN VINCENT CALIENNI
IPC: C07D401/12
Filed: 2011-11-12
Granted: 2020-08-27
Abstract: SALT(S) OF 7-CYCLOPENTYL-2(5-PIPERAZIN-1-YL-PYRIDIN-2-YLAMINO)-7H-PYRROLO[2,3-D]PYRIMIDINE-6-CARBOXYLIC AND DIMETHYLAMIDE AND PROCESSES OF MAKING THEREOF
Patent KR-800001447-B1 (KR)
Title: Producing method of coating adhesive agent on welding rod
Inventor: KWON SANG KI
IPC: B23K35/365
Filed: 1979-02-01
Granted: 1980-12-10
Abstract: An arc welding rod having plasticity was manufactured by adhering flux add to Na2SiO2 solution as an adhesive agent produced by agitating from 27 to 35 percent water added to from 0.5 to 3 percent NaOH or KOH with Na2O5SiO2.
Patent KR-830001291-B1 (KR)
Title: 자전거용 기어 크랭크의 제조방법
IPC: B21D53/28
Filed: 1979-07-25
Granted: 1983-07-06
Abstract: 내용 없음.
Patent KR-830001163-B1 (KR)
Title: An oriented semi-crystalline pelymer product
Inventor: AUSTEN ALFRED R
Filed: 1979-09-08
Granted: 1983-06-20
Abstract: Thick-walled, seamless, rigid tubes of crystn., oriented polymer are prepd. by hydrostatic extrusion in an app. with a diverging, annular orifice with converging walls. The app. causes simultaneous circumferential and axial stretching during extrusion. Thus, a tube of istactic polypropylene is prepd. by extrusion at 129≰C in such an app. with simultaneous circumferential and axial streching(160%). The tube has tensile strength 766 kg/cm2, impact strength 38 J/cm2, and elastic modulus 20,000 kg/cm2 in the circumferential direction and 963,65, and 23,000 resp., in the axial direction. The unoriented polymer had tensile strength 387 and impact strength 3.55.
Patent KR-830002687-B1 (KR)
Title: 선박용 오염방지도료 조성물
IPC: B01J13/02
Filed: 1980-08-04
Granted: 1983-12-07
Abstract: 내용 없음.
Patent KR-870000181-B1 (KR)
Title: Foldable and portable bicycle with compact steering bearing
Inventor: HON DAVID T
IPC: B62M3/00
Filed: 1982-02-12
Granted: 1987-02-14
Abstract: Two mambers normally are disposed side-by-side in a normal operating position and are swingable apart about a hinge along one side. A latch holds the members releasably in the normal operating position, comprising an actuator arm, and a pivot spaced from and parallel to the hinge axis between one end of the actuator arm and the first member. A second arm lies alongside the actuator arm. A second pivot is parallel to the hinge axis overlying the first pivot and connecting one end of the second arm to the second member. A pivotal connection is the free ends of the arms being movable in one direction relative to the pivots into an overcener latched position. In the opposite direction the pivot moves to an unlatched position.
Patent KR-880000159-B1 (KR)
Title: Processer foot device for a knitting machine
Inventor: BETTS MAX WILLIAM
IPC: D04B15/90
Filed: 1982-02-17
Granted: 1988-03-12
Abstract: In the presser foot for a knitting machine having a drawing member, a track extension and needles, for separate operations in the double bed of needles the drawing member includes a flat face member for contacting with the loop formed on the actuation of the presser foot.  The flat member's front end is placed higher than the rear en to make a smooth connection between them.
Patent KR-880002584-B1 (KR)
Title: Method of heating and packaging food
Inventor: MIYAHARA KINGO
IPC: B65B55/06
Filed: 1982-03-30
Granted: 1988-12-03
Abstract: A method for making a ripened, sterilized packed food comprises placing the food in a heat-resistant, electrically insulating package having the fine openings for passage of an electrical current, and applying the current through the contact elements impregnated with a salt soln. on either side of the food.  The procedure is as follows. The inner zone of a flat packing foil is first shaped into an open- topped dish to receive the food, openings for electrical current are formed at least in the flat part of this dish, and the contact element is applied to the outside of the flat base, the other contact element being applied to the exposed top of the food within the dish. the finished food is rolled into the packaging roll
Patent KR-880002704-B1 (KR)
Title: Preparating process for 1,4-dihydropyridine compound
Inventor: OUOUNO SAJIO
IPC: C07D317/24
Filed: 1982-10-19
Granted: 1988-12-26
Abstract: Title compds. (I)[R=2- or 3-nitrophenyl; R1=C1-4 alkyl; R2=H, CH3; X=O, ethylene dioxy, propylene dioxy, etc.; n=1,2 , useful as depressant, were prepd.  Thus, a mixt. contg. 10g mthyl 3'- nitrobenzyliden acetoacetate, 7.5g 2,2-ethylene dioxy-propyl 3- aminochrotonate, and 120ml ethanol was refluxed for 10hr and stood overnight to give 11.0g methyl 2,2-ethylene dioxypropyl 2,6dimethyl- 4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate.
Patent KR-890005212-B1 (KR)
Inventor: KANEKO MASAYOSI
IPC: E05B65/52
Filed: 1982-11-19
Granted: 1989-12-18
Abstract: 내용 없음.
Patent KR-880001697-B1 (KR)
Title: Rotatable head assembly
Inventor: LORTEITE JEAN HUBERTUS JOZEF
IPC: G11B5/53
Filed: 1982-12-21
Granted: 1988-09-06
Abstract: The appts. has a rotating drum (10) that carries two diametically opposite pairs of pick ups (12) that have access windows (9).  Each multi-track pick up has a central block of ferrite with two parallel side elements (14, 15).  A' C' profiled core elements (16, 17) also produced in a magnetic meterial are located on either side and are secured by glass.  Transmission gaps are formed (21, 22) and the elements are wound with write and read coils (19, 20).  Cross-talk between the elements is prevented by a slot (25) that contains a magnetci shield (62).  Short circuit windings (27, 28) are included. The arrangement allows recordings to be made without isolation tracks.
Patent KR-890004053-B1 (KR)
Title: Sealing device with oleophobic coating
Inventor: NENOV NENO T
IPC: F16J15/43
Filed: 1983-05-24
Granted: 1989-10-18
Abstract: The clearance-type seal is for sealing between stationary and rotary members in e.g. a turbine, the seal functioning to seal between the lubricated bearing of the rotary member and a working chamber of the turbine.  The seal comprises a narrow spacing between the rotatable and fixed members, i.e. between the lubricated bearing and the working chamber.  A gas is introduced to the narrow spacing and flows towards the bearing, so as to prevent petroleum-based lubricant from the bearing from entering the spacing.  The gas also guides the lubricant to a lubricantcollecting recess in the stationary or rotating member.
Patent KR-890000104-B1 (KR)
Title: General purpose data control system
Inventor: BURKE TIMOTHY M
IPC: H04B1/10
Filed: 1983-07-28
Granted: 1989-03-07
Abstract: A command data packet of fixed length, say thirty-two bits, is encoded with clock recovery synchonization bits which are composed of a fixed synchronization code word and a cyclical redundancy check code word.  The encoded data is provided for transmission to the remote stations.  The packet includes an operation code, an argument code and a station address.  An activation signal is generated at the base station in response to initiating a voice transmission to a remote station or to receiving a command data packet from a remote station.  Responsing to the activation signal, a remote station transmits a command data packet of fixed length including an operation code, an argument and a station address, to the base station.
Patent KR-860001654-B1 (KR)
Title: A method for preparation of sweater artificial fiber with excellent writing effect
Inventor: LEE HO-KYONG
IPC: D06N3/18
Filed: 1984-05-23
Granted: 1986-10-15
Abstract: This invention relates to suedo artificial leather whose writing effect is good. A basic fibric is prepd. by treatment of nonweaving fibric with water-soluble polymer. For the nonweaving fibric, the fiber is polyester or polyamide, and the fiber fineness of fine fiber is 0.001-0.5 Denior. The inside of the basic fibric is filled with a polyurethane elastic body whose physical property is good, and then the surface of basic fibric is filled with a polyurethane elastic body whose buffing property is good.
Patent KR-870001196-B1 (KR)
Title: Dispensing pump adapted for pressure filling
Inventor: CORSETTE DOUGLAS F
IPC: B65D83/76
Filed: 1984-06-08
Granted: 1987-06-20
Abstract: The dispensing pump for pressure filling includes a fluid filling passage which is kept closed during pumping by an annular valve skirt in sealing engagement with a wall of the fluid filling passage.  The skirt inwardly flexes during charging the container, permitting the charged fluids to by-pass the valve and enter the container.  The valve skirt depends from either the plunger head or from the plunger.  When depending from the plunger, the valve skirt functions as a guide for the plunger head together with a plunger head retention bead, which cooperates with a pump body retention bead in limiting the upward movement of the plunger head to a predetermined extent.
Patent KR-900007553-B1 (KR)
Title: Method and apparatus for mounting clips
Inventor: MEYERS JONATHAN H
IPC: B65D85/62
Filed: 1984-07-14
Granted: 1990-10-15
Abstract: The method is for mounting clips on a base, the clips having elongated openings, and the base including spaced, parallel clip retainers extending from it. The method comprises fabricating each of the clip retainers to comprise an elongated receiving element, one end of which is fixed to the base and a rotation stop removably mounted to the element, in parallel relation. Sets of aligned clips are mounted on each of the clip retainers by inserting them through the clip openings. The clip sets and the base are encircled with a band to maintain the clips on the base. The rotation prevent stops are then removed.
Patent KR-930003104-B1 (KR)
Inventor: BROEKHUIS ANTONIUS A
IPC: C08F295/00
Filed: 1985-03-20
Granted: 1993-04-19
Abstract: 내용 없음.
Patent KR-930008804-B1 (KR)
Inventor: ABE OSAMU
IPC: F02P5/145
Filed: 1985-03-22
Granted: 1993-09-15
Abstract: 내용 없음.
Patent KR-870001610-B1 (KR)
Title: Step sign producing apparatus
Inventor: PARK JONG-SOK
IPC: H04N3/14
Filed: 1985-03-30
Granted: 1987-09-10
Abstract: The invention relates to a unit for generating step signals, separate from horizontal and vertical synchronous sugnals, for step scanning to bouble flying scanning so as to obtain the function of high resolution in conventional televisions and monitors of flying scanning type.
Patent KR-890003182-B1 (KR)
Title: Color crt
Inventor: NAKAI SINICHI
IPC: C09K11/08
Filed: 1985-04-25
Granted: 1989-08-25
Abstract: Colour CRT has a fluorescent face which consists of three primary colour fluorescent materials of (1) green material fluorescent material, (2) blue fluorescent, and (3) red fluorecent material, each of which is made to have a stimulus purity of 50-70%.  Each of (1), (2) and (3) uses a mixt. of fluorescent substance of its colour and fluorescent substances of the other colours.  When a colour CRt is used as a display, it is more favourable to limit stimulus purity of three primary colour within the range in terms of character of image recognition and eyes fatigue.
Patent KR-920005572-B1 (KR)
Inventor: KIMURA YOSHIO
IPC: B65G47/82
Filed: 1985-06-27
Granted: 1992-07-09
Abstract: 내용 없음.
Patent KR-890002818-B1 (KR)
Title: Continuous manufacturing method and press mould of a long hinged plates
Inventor: LEE YON-SUN
IPC: B21D53/40
Filed: 1985-06-27
Granted: 1989-08-04
Abstract: The method for mfg. a long hinge includes 1st process punching a slit (tc) on a thin steel strip (CP) as well as intermittently moving the strip by predetermined distance, 2nd process forming the hinge pieces (hp,hp') by opening the pieces in the zigzag type, 3rd process bending the hinge pieces and forming the rounding part (r,4'), 4th process bending the hinge pipes vertically, 5th process forming the semicircular rounds (ro,ro'), 6th process forming the hinge pin holes (hc,hc'), and 7th process accomplishing the long hinge.
Patent KR-950003528-B1 (KR)
Inventor: MOGI DAKAO
IPC: H04N5/44
Filed: 1986-02-05
Granted: 1995-04-13
Abstract: 내용 없음.
Patent KR-900008180-B1 (KR)
Title: Displaying screen control method
Inventor: DAKANASI KASSUYA
IPC: G06F3/048
Filed: 1986-07-10
Granted: 1990-11-05
Abstract: A display screen is controlled by displaying on the physical screen a window area which is within the logical screen. The display on the physcial screen is changed to a rectangle related to the size of the logical screen in response to a command inputted by an operator. A sceond rectangle similar to the first window area which is within the logical screen is displayed in the first rectangle at a position corresponding to a position of the first window area in the logical screen. The second rectangle is moved to a desired position within the first rectangle so as to determine a second window area which is within the logical screen and which is desired to be picked up from the logical screen and to be displayed on the physical screen.
Patent KR-950002554-B1 (KR)
Title: Colored thermoplastic resin composition
Inventor: SQUIER BAUMGARINER A
IPC: C08K5/00
Filed: 1986-09-13
Granted: 1995-03-21
Abstract: A colored thermoplastic resin composition is provided which comprises a thermoplastic resin and a colorant in the form of an alkyleneoxy-substituted chromophore group provided in said thermoplastic resin in a minor amount sufficient to provide coloration to said thermoplastic resin. A process for preparing colored thermoplastic resins is also provided.
Patent KR-890002695-B1 (KR)
Title: High thermal expansion coefficient ceramic sinter and composite body of the same and metal
Inventor: TANAKA AKIRA
IPC: C04B35/111
Filed: 1986-12-03
Granted: 1989-07-24
Abstract: Sintered ceramic comprises 10-90 vol.% metal fluoride wherein electronegativity difference between metal and fluorin is greater than 2.5 and metal oxide which is at least one of Al2O3, MgO, ZrO2, BiTiO3, GeO2, Fe2O3, WO3, CaTiO3 and MgO4.  Pref. metal fluoride is at least one of CaF2, MgF2, SrF2, AlF3, ScF3, YF3, LaF3, CeF3, YbF3, NbF3, SmF3 and EuF3.
Patent KR-900004443-B1 (KR)
Title: Apparatus for displaying a busy signal in a modem
Inventor: KIM NAK-MIN
IPC: H04L27/00
Filed: 1986-12-26
Granted: 1990-06-25
Abstract: The apparatus for displaying characters of line-is- busy comprises a first step for calling Modem on the other end of line, a second step for applying carrier from other party through a trans-former (T) and a comparator (CP2) of a hybrid circuit (4) so that the carrier appeares on an energy detecting terminal when the carrier is line-is- busy signal, and a third step for transmitting line busy signal and atate variation signal of the energy detecting terminal to main cormputer through a NAND gate (N1) when a certain line-is- busy signal is recognized by a micro-computer so that characters of line- is- busy displayed on a monitor.
Patent KR-890003063-B1 (KR)
Title: Threshing apparatus of combine
Inventor: KAWABADA DOYOGAS
IPC: A01F12/24
Filed: 1986-12-31
Granted: 1989-08-21
Abstract: A thresher mounted on a combine or a harvester includes a detachable screen for receiving grains.  The arc-shaped screen (16) disposed under a threshing drum (3) can be pushed in or pulled out along the periphery of a guide member (9a,9b,39a,39b) mounted in a threshing chamber, from the upper portion of the threshing chamber.  Hook members (12,25,41,46) are mounted in the threshing chamber at the front and rear end portions of the screen which has corresponding receiving ports (13,24,42,47).  The screen is kept on holding at the rear end portion by a cutter frame (27) for grain stalks.
Patent KR-890004078-B1 (KR)
Title: Oxygen sensor
Inventor: USIZAWA NORIHIKO
IPC: G01N27/49
Filed: 1987-02-04
Granted: 1989-10-18
Abstract: An oxygen sensor comprises an ellectrically conductive substrate (I) and electrolytic oxydative polymeric membrane (II) coating a surface of (I), (II) comprising at least one substance selected from porphyrin cpds. and metal complexes of porphyrin cpds.  Pref. (I) is ellectrically conductive carbon, and porphyrin cpds. are hydroxy aromatic derivs.-substd. or amino aromatic derivs.-substd. porphrin cpds. at meso position.  The PO2 (mmHg) reducing current correlation exhibits good linearity at a constant temp.. Ths enables the PO2 concn. to be measured from this calibration curve.  The sensor has excellant selectivity to oxygen due to no interfering substance.
Patent KR-900004365-B1 (KR)
Title: Transmission synchronizer
Inventor: KISHIMOTO MINORU
IPC: F16D23/06
Filed: 1987-05-25
Granted: 1990-06-23
Abstract: A pair of gears are provided on input and output shafts always in mesh with each other. A synchronizer for synchronizing the two gears comprises an inner cone whih has a tapered outer surface and is rotatably fitted on a hub portion and is in engagement with the clutch hub to permit rotation of the inner cone relative to the clutch hub by a predetermined amount. An outer cone has a tapered inner surface opposed to the tapered outer surface of the inner cone, and is adapted to be engaged wth the hub sleeve by way of splines to be rotated together when the hub sleeve is slid into engagement with the gear spline. A double cone is disposed between the inner surface of the outer cone and the outer surface of the inner cone and is supported for rotation together with the other gear and for sliding movement in the axial direction of the gear.
Patent KR-900004933-B1 (KR)
Title: Polyester resin composition
Inventor: PARK HEUNG-SHIK
IPC: C08L67/02
Filed: 1987-07-10
Granted: 1990-07-12
Abstract: 100 wt. pts. of polyalkylene terephthalate having 0.4-1.2 of inherent viscosity; 1-30 wt. pts. of acrylic homopolymer or copolymer; 0.1-5 wt. pts. of inorganic accelerating agent; and/or 0.1-2 wt. pts. of coupling agent of formula XAY3, where X is hydrolyzable C1-20 mono- or neo- alkoxy; Y is C1-20 org. cpd. contg. phosphite, phosphonate, sulphate etc.; A is titan or zirconium. The acrylic resin has the repeating unit of formula (I), where n1, n2= 0-1; R1 is H or C1-3 alkyl; R2 is C1-5 alkyl; R3 is H, (substd.)amine, (substd.)benzene, cyano or C1-3 alkyl.
Patent KR-950007179-B1 (KR)
Inventor: GUBIN JEAN
IPC: C07D471/04
Filed: 1987-07-15
Granted: 1995-07-03
Abstract: 내용 없음.
Patent KR-960002796-B1 (KR)
Inventor: OTSUKA TETSUJI
IPC: F23D14/36
Filed: 1987-08-22
Granted: 1996-02-26
Abstract: 내용 없음.
Patent KR-920007714-B1 (KR)
Inventor: YAMAMOTO KIYONORI
IPC: B65H3/46
Filed: 1987-10-23
Granted: 1992-09-15
Abstract: 내용 없음.
Patent KR-910001705-B1 (KR)
Title: Method for constructing vertical pipe well
Inventor: YANG JUN-HO
IPC: E03B3/08
Filed: 1987-11-04
Granted: 1991-03-19
Abstract: This method is to support in dispersion the load of the  pipe sunk deep underground to construct the deep vertical pipe well  in the hot spring. The load of the water-pump- pipe is  dispersed  by supporting ball at the seam being formed in the well, and thus the water-pump- pipe is set upright in the well.
Patent KR-970000183-B1 (KR)
Title: Adhesive composition process and product
Inventor: LAUTENSCHLAGER FRIEDRICH KARL
IPC: C03C27/10
Filed: 1987-11-06
Granted: 1997-01-06
Abstract: Command-cure compositions especially for use in insulated window assemblies permit the composition to be rendered adhesively bonding at a selected time interval after formation of the assembly to firmly bond opposed surfaces of the assembly; a particular adhesive in strip or tape form comprises an adhesive polymer composition which is transparent to curing radiation especially UV, and curable in the presence of the radiation; the curing is inhibited by oxygen; the composition is solvent free and cures to a mass resistant to water; surfaces of the adhesive exposed to oxygen remain tacky and uncured; the adhesive is especially useful in window structures in which adhesion of the tacky surface excludes the cure-inhibiting oxygen and the tacky surface can be cured by UV radiation passing through the window glass.
Patent KR-900008559-B1 (KR)
Inventor: BANG SA-HYUN
IPC: H04L25/02
Filed: 1987-11-30
Granted: 1990-11-24
Abstract: 내용 없음.
Patent KR-950009142-B1 (KR)
Inventor: YUJI KOMAMI
IPC: B21B37/00
Filed: 1988-02-23
Granted: 1995-08-16
Abstract: 내용 없음.
Patent KR-950008126-B1 (KR)
Title: Digital outline compensation apparatus
Inventor: KO HAN-IL
IPC: H04N5/66
Filed: 1988-03-03
Granted: 1995-07-25
Abstract: The digital outline compensation device extracts the green color from the RGB signal of color high-resolution monitor and adds it to other signal to compensate the outline. The device executes the steps of: (a) selecting green color from RGB signal, converting it to digital signal, and achieving outline compensated color signal; (b) converting the outline compensated signal into analog signal using an adder and a D/A converter; (c) adding the analog signal with the delayed original signal to extract outline compensated Red(R'), Green(G'), and Blue(B') color.
Patent KR-960015453-B1 (KR)
Inventor: INOUE HIROSHI
IPC: C08G75/0254
Filed: 1988-03-05
Granted: 1996-11-14
Abstract: 내용없음
Patent KR-900008947-B1 (KR)
Inventor: MOON JAE-DEOK
IPC: C01B13/11
Filed: 1988-08-03
Granted: 1990-12-15
Abstract: 내용 없음.