baber/WOPTO huggingface dataset:
Patent KR-830000383-B1 (KR)
Title: 대소 강약 결속 조절기
IPC: A01F1/00
Filed: 1981-04-10
Granted: 1983-03-05
Abstract: 내용 없음.
Patent KR-840001475-B1 (KR)
Title: Method of assemfling two shaped sections with a cotter
Inventor: DOMINIQUE LANGIER YVES
IPC: E04F11/18
Filed: 1981-07-20
Granted: 1984-09-28
Abstract: The method consists of engaging one of the shaped sections into a slot fashioned in the other section, and then locking the latter using cotters comprising a rod with a thinned segment on part of its periphery. Each cotter is inthroduced by a simple sliding action into a hole, with its thinned part contacting the shaped section, and then is made to pivot to ensure locking. To facilitate the rotation of the cotters, each one is provided with an extension misaligned from the rod, for instance, at a right angle to the rod. The pivoting motion is easily ensured by maneuvering the extension to bring it near to or to rest against the wall of the first, shaped section.
Patent KR-880001829-B1 (KR)
Title: Process for the preparation of cyclopropane carboxylic acid esters
Inventor: JACQUES MARTEL
IPC: C07C69/65
Filed: 1981-10-02
Granted: 1988-09-20
Abstract: Cyclopropane carboxylate esters having formula (I) are new. In the formula, R is substitutable C1-4 straight or side chain alkyl by one or more, same or not, halogen or lower alkoxy gp.; X is halogen; B is pentafluoromethyl; ethylene double bond have Z or E geometrical structure.  (I) have useful properties of insecticide and parasiticide for plants, but (I) do not affect mammals.
Patent KR-880002151-B1 (KR)
Title: Improvements in and relating to apparatus for checking the validity of coins
Inventor: REYNER DETER FOHN
IPC: G07D5/00
Filed: 1982-08-11
Granted: 1988-10-17
Abstract: The appts. has a set of three coin censols to measure a different coin property.  Each sensor provides a signal indicating the measured value of the respective parameter on one of a set of output lines. An LSI receives these signals.  It contains a ROM having an operating program controlling the appts..  Each measured value is compared with upper and lower limit values stored in predetermined locations of a PROM.  The LSI operates in response to timing signals from a dock to address the PROM by supplying address signals onto a bus the LSI also provides a PROM-enable signal on a line.  An address input of the PROM is held low by a resistor.
Patent KR-860001504-B1 (KR)
Title: Dust separating apparatus in dust collector
Inventor: NISHIYAMA SHINROKU
IPC: B01D46/04
Filed: 1982-09-20
Granted: 1986-09-30
Abstract: A dust collector is equipped with a dust removing app., in which filtering devices are vibrated by compressed air to shake off dust. Inhaled gas contg. dust is blown down to the filtering chamber (6), which is filtered through filtering devices (5) wrapped in filter cloth (4) and is exhaled therein. After the outlet(12) is closed and the inlet (13) is open, compressed air is sprayed and inflated with the air flown in the gas passage (7), of whose pulse shakes the filter cloth. The valves (16),(17) of the inlet and the outlet are pivoted to the cylinder rod (15) which enables them to be opened and closed alternately.
Patent KR-900004733-B1 (KR)
Inventor: GOEKE NORIO
IPC: H01L27/148
Filed: 1982-10-08
Granted: 1990-07-05
Abstract: 내용 없음.
Patent KR-850001305-B1 (KR)
Title: Multi-filament making method and the same kind of other part
Inventor: TANGO YASUO
IPC: D01F6/00
Filed: 1983-01-12
Granted: 1985-09-12
Abstract: A non-continuous filament bunch-manufg. method, uses a filament bunch composed of Acryl-type synthetic fiber. The filament bunch is placed into a cooling medium that is maintained at a temp. lower than -20≰C. Either while it is in the medium or following immersion, the bunch is crimped and then each single filament in the bunch is cut.
Patent KR-910003193-B1 (KR)
Inventor: MECKLENBURG FRANK H
IPC: H04B17/00
Filed: 1983-08-30
Granted: 1991-05-22
Abstract: 내용 없음.
Patent KR-930004400-B1 (KR)
Inventor: FUJIMODO MASAKATSU
IPC: F25D21/14
Filed: 1984-11-03
Granted: 1993-05-27
Abstract: 내용 없음.
Patent KR-870001169-B1 (KR)
Title: Process for preparing 4-((bicyclic heterocyclyl)-methyl and-hetero)-piperidines
Inventor: JANSSENS FRANS
IPC: C07D401/06
Filed: 1984-12-13
Granted: 1987-06-15
Abstract: 4-[(bicyclic heterocyclyl)-methyl and-hetero! pipeidine (I) [A1=A2-A3=A4= -CH=CH-CH=CH-, -N=CH-CH=CH-, -CH=N-CH=CH-, -CH=CH-N =CH-, - CH=CH-CH=N-; R1=hydrogen, alkyl, cycloalkyl; R2=hydiogen, loweralkyl; B=CH2, O,S, SO, SO2; L=hydrogen, alkyl  is prepd. for use as a medicine for allergy.  Piperidine is reacted with diamine in inert organic solvent to give compd. (II) [P=pherylmethyl, C1C4 alkoxycaibonyl .  The compd.  (II) is deprotected to give compd (III) .
Patent KR-930001595-B1 (KR)
Inventor: ANDRIU BERNAR
IPC: B01D19/00
Filed: 1985-11-18
Granted: 1993-03-06
Abstract: 내용 없음.
Patent KR-890004496-B1 (KR)
Title: Compound semiconductor ic device
Inventor: ONODERA TSUGASA
IPC: H01L29/20
Filed: 1985-11-29
Granted: 1989-11-06
Abstract: The device comprises a zincblende type compound semiconductor substrate having a surface of a (111) plane.  The substrate is prf. a III-V compound espercially GaAs, InP, InSb, Gap, AlSb, BN, BP, AlAs, InGaAsP, AlGaAsP, InGaAsSb, AlGaAsSb, AlGaInP, AlGaAsSb, or a II-IV compound.  The FET is one or more of a MESFET, JFET, MISFET and a two-dimensional carrier gas channel FED.
Patent KR-910004336-B1 (KR)
Inventor: MASAO NAKAMURA
IPC: C07D307/66
Filed: 1985-12-06
Granted: 1991-06-26
Abstract: 내용 없음.
Patent KR-930003465-B1 (KR)
Inventor: LEE CHI-LONG
IPC: C08F290/06
Filed: 1985-12-18
Granted: 1993-04-29
Abstract: 내용 없음.
Patent KR-920006743-B1 (KR)
Inventor: HEMDAL GORAN A H
IPC: G06F5/01
Filed: 1984-12-20
Granted: 1992-08-17
Abstract: 내용 없음.
Patent KR-900004308-B1 (KR)
Title: Woofer ducted port speaker enclosure
Inventor: SIN YOUNG-YOO
IPC: H04R1/00
Filed: 1986-01-08
Granted: 1990-06-20
Abstract: The enclosure for strengthening the intensity of lowpitched sound includes a sound damping material (I) attached on either side walls (84,37) with certain thickness, a speaker (12) having a speaker cone (26) disposed on front panel, a speaker (14) having a frame (120) having a damping material and disposed on upper and lower open sector, sound ducts (16,18) disposed on openings (76,77) having a certain distance from front panel (39), low wall (128), and the upper part of speaker (14).
Patent KR-900000310-B1 (KR)
Title: Hybrid relay circuit having electromagnetic relay for switching ac power supply
Inventor: TAKEUCHI HIROTO
IPC: H01H9/56
Filed: 1986-02-19
Granted: 1990-01-25
Abstract: The relay circuit includes an electromagnetic relay having a contact connected in series to an load and an AC power supply, and a driving circuit, connected to the electromagnetic relay, to drive the relay in accordance with the input control signal.  A detection circuit is connected to the AC power supply to sense whether the potential of the AC power supply in zero.  The detection circuit includes a rectifier bridge circuit having two pairs of diagonal terminals, one pair of the diagonal terminals is connected to the terminals of the AC power supply.
Patent KR-900008528-B1 (KR)
Inventor: GALLA EDWARD A
IPC: C08G18/00
Filed: 1986-03-11
Granted: 1990-11-24
Abstract: 내용 없음.
Patent KR-890001601-B1 (KR)
Title: Process of manufacture with ceramic capacitor
Inventor: CHOI BYONG-JE
IPC: H01G4/12
Filed: 1986-04-30
Granted: 1989-05-09
Abstract: This sintering method comprises the following procedures; preheating to 500-600≰C with a rising rate  of 180≰C/hr; and holding for 5-6 hours at 500-600≰C for removal of binding gas; and again preheating with the same rate  to the maximum temperature of 1310-1360≰C; at the maxium temperature, sintering; and cooling for 7.5-8 hours with a cooling speed of -180≰C/hr.
Patent KR-890005206-B1 (KR)
Inventor: PARK NOH-CHOL
Filed: 1986-06-11
Granted: 1989-12-18
Abstract: 내용 없음.
Patent KR-950003059-B1 (KR)
Inventor: WILDE GEOFFREY L
IPC: F01D17/16
Filed: 1986-07-16
Granted: 1995-03-30
Abstract: 내용 없음.
Patent KR-890003674-B1 (KR)
Title: Process for recovery of silicon from reaction mixture
Inventor: SANCIER KENNETH M
IPC: C01B33/033
Filed: 1986-07-21
Granted: 1989-09-30
Abstract: A process for the recovery of silicon from a reaction mixture contg. silicon and an alkali metal fluoride comprises leaching the alkali metal fluoride with an aqueous solution of an alkaline earth metal chloride.  The metal fluoride is pref. sodium fluoride, and the metal chloride is pref. calcium chloride, magnesium chloride or barium chloride.
Patent KR-930008137-B1 (KR)
Title: Method for preparation of semiconductor
Inventor: PARK MYONG-DOK
IPC: G03F7/004
Filed: 1986-08-16
Granted: 1993-08-26
Abstract: The photoetching method is characterized  by  (a)  coating  a light absorptive resin (13) of a pullulanic polymer on the  coated photosensitive film (12) of the silicon substrate  (11),  and  (b) transmitting a ultraviolet ray to  the  photosensitive  film  (12) through the resin. The method improves a luminance and a  contrast by the control of a ultraviolet-transmitting ratio transmitted  on the film (12).
Patent KR-900001379-B1 (KR)
Title: Polyethylene resin composition
Inventor: AZUMA YUTAKA
IPC: C08K3/34
Filed: 1986-09-08
Granted: 1990-03-09
Abstract: A polyethylene resin compsn. comprises (A) 100wt.Y. PE (pref. LDPE); (B) 0.01-2.0wt.% anhydrous amorphous aluminosilicate having the basic particle characteristics of zeolite as prepd. by acidtreating zeolite; (C) 0-1.5wt.% fatty acid amide with melting point of no more than 130 C; and (D) 0-3.0wt.% antistatic agent. The compen. is improved in antiblocking and slipping props. and also in antistatic props., without deterioration in props. of polyethylene e.g., transparency and heat sealability.  The compsn. can be used as wrapping or agricultural film-materials.
Patent KR-890003369-B1 (KR)
Title: Battery charge supplier
Inventor: JHO JHUN-HOH
IPC: H02J9/00
Filed: 1986-11-01
Granted: 1989-09-19
Abstract: An output terminal of a comparator (IC2) is connected to the base of Tr. (Q2) connected to the collector of Tr (Q3) through a relay (RL1) and a diode (LED2).  A battery is connected to the noninverting terminal of a comparator (IC3) and a registor (R14) through (R13). An inverting terminal of comparator (IC3) is connected to the negative terminal of the system.  A inverting terminal of a comparator (IC4) is connected to the battary chaging terminal (V1+), noninverting terminal to an inverting terminal of (IC1), and output terminal to the base terminal of the (Q3).  The contact (RL1a) of a relay (RL1) is connected to a node to which registors (R12, R18), a battery (B1), and a plus terminal (PW+) of the system is connected through a diode (D10).
Patent KR-900006936-B1 (KR)
Title: Refrigerator with warming compartment
Inventor: KIM JON-KYOM
IPC: F25D11/02
Filed: 1986-12-18
Granted: 1990-09-25
Abstract: The refrigerator includes a lower cooling chamber which can be changed to a warming chamber by a mode selecting switch. The refrigerator includes separated upper chamber (2), middle chamber (2a), lower chamber (2b) with subsidiary evaporator (8) and heater (9), refrigerating/cooling mode selecting switch (SW2) for changing function of (2b) to warming or cooling. On aluminium plate (11) attached at inner box (2b') of (2b), heaters (9) are mounted with the same interval. warming temperature detecting sensor (22) and cooling temperature detecting sensor (24) with front fixing device, are mounted on concave (21) of (2b').
Patent KR-900001575-B1 (KR)
Title: Detectin system for impurity in water
Inventor: EJAWA MASAYOSHI
IPC: G01N15/00
Filed: 1987-02-17
Granted: 1990-03-15
Abstract: A system for measuring a foreign material in a liquid comprises: sampling means for preparing a sample liquid containing various foreign materials having particles of differnet sizes and numbers and a calibration standard liquid containing particles of known sizes and numbers; foreign material measuring means for measuring the foreign materials contained in the sample liquid; inorganic ion measuring means for measuring inorganic ions contained in the sample liquid; and vacuum deaerating means respectively arranged in front of sensors of the foreign material measuring means.
Patent KR-890001222-B1 (KR)
Title: Looming apparatus
Inventor: HUZIMODO DETSUNORI
IPC: D03J1/02
Filed: 1987-02-26
Granted: 1989-04-27
Abstract: The looming device mounts warp-beam to or removes from a loom.  The device comprises an auxiliary support on which a heald frame for passing warps and a warp-passing member support are mounted.  The auxiliary support is mounted on a carrier to reciprocate from a waiting position to a looming position.
Patent KR-940011758-B1 (KR)
Title: Remote controlling apparatus
Inventor: KIM CHANG-U
IPC: H04Q9/00
Filed: 1987-07-06
Granted: 1994-12-23
Abstract: A remote controller for use in various household appliances includes a remote data receiver which generates the data (DATA) by applying input protection flip-flop (22), the address disable generator which generates the address enable signal, the sampling pulse generator which generates the sampling pulses, and the data processor which selectively generates the relay driving signal. The remote data receiver consists of the integrator, the inverter gate (21), the rising edge detector (23), the flip-flop (22), and NAND gate (24). The sampling pulse generator consists of the counter (40), falling edge detector (41), latch (42), inverter (43), and transmission gate (44).
Patent KR-900001441-B1 (KR)
Title: Anti-skid device of vehicle
Inventor: KIM HYANG-SUK
IPC: B60W10/04
Filed: 1987-07-09
Granted: 1990-03-10
Abstract: The device, for preventing a vehicle from rolling back dowhhill when restarting, includes a case (1) arranged on the pipe line between a master cylinder and a proportional valve.  The case has inlet and outlet openings (101,102) for pressure oil, and a pair of facing openings (103,104) for sealing members (8) through which an actuating bar (2) is mounted.  An elastic shield member (3) for opening and closing the inlet opening (101) is fixed to the actuating bar within the casing.  A spring (4) restrains the sliding motion of the actuating bar at one end outside of the casing.  The other end of the actuating bar is connected to a clutch pedal (5) with a cable (6).
Patent KR-940004706-B1 (KR)
Title: Uniformly moist wipes
Inventor: ABBA WILLIAM A
IPC: A47L13/17
Filed: 1987-08-14
Granted: 1994-05-27
Abstract: Polyolefin meltblown sheets suitable as wet wipes, containing from about l00 to about 500 weight percent liquid, exhibit liquid concentration stability over long periods of time. Stacks of these sheets maintain equal liquid concentration from the top to the bottom of the stack notwithstanding evaporation losses through the top of the stack.
Patent KR-950001220-B1 (KR)
Title: Phenolic corrosion inhibitors for coating materials
Inventor: BRAIG ADALBERT
IPC: C23F11/16
Filed: 1987-08-26
Granted: 1995-02-14
Abstract: Compounds of the formula I    <IMAGE>  I  in which is independently hydrogen, alkyl, alkoxy, halogen, trifluoromethyl or nitro, R1 is hydrogen, alkyl, phenyl, substituted phenyl or furyl, R2 is hydrogen or alkyl, R3 and R4 are independently hydrogen, alkyl, allyl, aralkyl, alkoxy, halogen, phenyl or cyclohexyl, and R5 is hydrogen, alkyl or alkenyl, are good corrosion inhibitors for organic materials, especially for coating materials. They can at the same time also act as antioxidants and light stabilizers.
Patent KR-900003475-B1 (KR)
Title: Combustion apparatus adding vapor liquid fuel
Inventor: KIM JANG-KWON
IPC: F23D11/10
Filed: 1987-08-31
Granted: 1990-05-19
Abstract: The combustion apparatus used for improving combustion efficiency and removing toxic ingredients of exhaust gas, includes ultrasonic humidifier located between vaporiser of liquid fuel combustor and air blower for fuel. The apparatus consists of combustor body which has burmer (1), vaporiser (2) with cooling shell (7), blower (3) connected to air supply pipe (6), fuel levelling device (4) to supply liquid fuel constant for vaporiser, orifice (12), and ultrasonic humidifier (5) located between blower (3) and combustor body.
Patent KR-950008158-B1 (KR)
Title: Heterogeneous copolymer of vinylidene fluoride and chlorotrifluoroethylene and method of its preparation
Inventor: BLAISE JEAN
IPC: C08F259/08
Filed: 1988-02-03
Granted: 1995-07-25
Abstract: Heterogeneous copolymers of vinylidene fluoride and chlorotrifluoroethylene are obtained by copolymerization in suspension or emulsion in two stages. In a first stage the vinylidene fluoride and the chlorotrifluroethylene are copolymerized, and in a second stage the polymerization of vinylidene fluoride is continued after discontinuance of the introduction of chlorotrifluoroethylene.
Patent KR-960013016-B1 (KR)
Inventor: MIZUTANI HIKARU
IPC: G11B23/087
Filed: 1988-05-07
Granted: 1996-09-25
Abstract: 내용없음
Patent KR-900006270-B1 (KR)
Title: Automatic supplying water
Inventor: KIM YOUNG-KEUN
IPC: A01G27/04
Filed: 1988-05-31
Granted: 1990-08-27
Abstract: A method using capillary, supplies water from lower piece to upper piece in order to grow plants. The flowerpot (1) includes a soil- containing upper half piece of flowerpot (2) for growing plants, a water-containing lower half piece of flowerpot (3) for automatically supplying water to the upper piece, central separating stand (4) between two pieces having water supply control tube (7) with small (11) or big (12) holes.
Patent KR-910001960-B1 (KR)
Title: Over current pro tective circuit
Inventor: KIM IN-SUK
IPC: H02H9/02
Filed: 1988-06-11
Granted: 1991-03-30
Abstract: It is implemented by applying leakage sensing IC  instead  of triac as in the previous system. The circuit is composed of  three parts, i.e. overcurrent detecting circuit, inverter and displaying circuit. If the overcurrent is applied to IC via  current  setting resistor (VR1), the transistor (TR) turns on to turn SCR off. Then it stops energizing solenoid coil or  holding  coil  to  shut  the power off and then control the load voltage. The inverter  is  for resetting or testing using 'NOR' gate. LED is also for  displaying current sensing and operating condition.
Patent KR-960001544-B1 (KR)
Title: Screen printing apparatus using pip television
Inventor: LEE KYUNG-KEUN
IPC: H04N5/45
Filed: 1988-06-17
Granted: 1996-02-01
Abstract: a detector for generating an analog image signal by detecting a radio frequency signal; an image signal compressing part for converting the analog image signal into a digital image signal, extracting a synchronous signal from the analog image signal, and designating a storage address; a memory for storing the digital image signal from the image compressing part as a compressing type, outputting the digital image signal of the compressing type designated in first and second reading signals, and converting the signal into the analog signal; a video switching part for generating a picture in picture image signal by adding the analog image signal to a section of the other analog image signal from the detecter; a driver for driving cathode tube by means of the picture in picture image signal; a signal converter for converting the digital image signal into a printable image signal; a printer for printing the image signal on paper; and a controller for storing the digital image signal in the memory, reading the digital image signal stored in the memory by generating first and second reading signals, transmitting the reading signal to the video switching part, and controlling the operations of the signal converting part and the printer.
Patent KR-960015547-B1 (KR)
Inventor: TEIMOSHII RII HOOPUMAN
IPC: F28F13/18
Filed: 1989-02-18
Granted: 1996-11-18
Abstract: 내용없음
Patent KR-940001080-B1 (KR)
Inventor: KRAVETTE BURT
IPC: G03G21/02
Filed: 1989-05-17
Granted: 1994-02-12
Abstract: 내용 없음.
Patent KR-0158198-B1 (KR)
Inventor: ANCIAUX GHISLAIN
IPC: G21F9/30
Filed: 1989-06-14
Granted: 1998-12-15
Abstract: 본 발명은 원자로에서 연소가 끝난 연료봉을 짧게 절단하기 위한 핵연료봉 전단장치에 관한 것으로, 핵연료집합체(3)의 몸체와 하단부가 동일한 전단날로 절단되지 않도록 전단부재(17)에 2개의 개구부가 갖춰지고, 이들 중 1개의 개구부가 핵연료집합체(3)의 하단부를 절단하는 앞쪽개구부(18)를 이루는 한편, 나머지 개구부는 핵연료집합체(3)를 절단하는 뒤쪽개구부(19)를 이루도록 구성되며, 상기 전단부재(17)의 상부에는 샤시(1)에 수직방향으로 수납부(2)가 세워진 상태로 설치되고 그 내부에는 핵연료집합체(3)가 수직으로 배열됨과 더불어 상기 뒤쪽개구부(19)의 바닥부에는 전단부재(17)의 이동방향에 직각방향인 축(35)을 중심으로 회동되는 개폐플랩(34)이 설치되어, 이 핵연료집합체(3)가 상기 전단부재의 이동동작에 따라 핵연료집합체의 하단부에 횡방향으로 전단력을 가해서 절단시키면 상기 개폐플랩(34)을 통해 절단편을 배출부(15)로 배출시키도록 되어 있다.
Patent KR-920009741-B1 (KR)
Title: Form and making method of manhole
Inventor: BYON MU-WON
IPC: E02D29/12
Filed: 1989-11-03
Granted: 1992-10-22
Abstract: For construction of  underground  concrete  structures,  e.g. manholes or water  collector  tanks,  the  form  is  assembled  of prefabricted regin components including  inner  and  outer  panels (100,200), spacer-connectors  (300)  and  top  and  bottom  plates (400,500). The inner and outer walls are assembled  of  respective component panels each having side ears for bolting joints and  are spaced with the spacer connectors to be supported  on  the  bottom plate and covered with the top plate. Concrete is poured into  the cavity between the walls, which either remin set with the concrete or is disassembled after curing of the concrete for reuse  of  the panels. Prefabrication and assembling of resin components  reduces the cost of form construction to the advantage of leaving the form with the concrete construction instead  of  disassembling  it  for reuse.
Patent KR-960003298-B1 (KR)
Title: Megnetic recording medium
Inventor: BAEK SEUNG-MOK
IPC: G11B5/72
Filed: 1989-12-30
Granted: 1996-03-08
Abstract: The magnetic recording medium comprises a magnetic layer on a non-magnetic substrate, where the magnetic recording medium comprises polystyrene sulfonic acid natrium and 1.0-20 wt. pts of polystyrene sulfonic acid natrium is contained w.r.t 100 wt. pts of the magnetic powder in the magnetic layer. The obtd. magnetic recording medium has improved S/N ratio light transparency, is useful for a magnetic recording tape and also a magnetic disk.
Patent KR-920005125-B1 (KR)
Title: Storage box for cable
Inventor: CHOE SONG-HYON
IPC: H01B13/26
Filed: 1989-12-31
Granted: 1992-06-26
Abstract: The apparatus includes two guide rollers (4)(4') installed on a guide bar (3), the guide bar (3) being installed at the rear  of compressing frames (2)(2'). Two  take-up  bobbins  (5)(5')  and  a take-up reel (6) are installed near the upper ends of  the  frames (2)(2') and on a revolution shaft (8)  which  is  connected  to  a handle (7). An intermediate roller (10) is rotatably installed  at a side of the take-up reel (6), and a chain (11) is  connected  to the shaft  of  the  take-up  bobbins  (5)(5').  A  gear  (13')  is installed on a connecting shaft (14) in  mesh  with  another  gear (13), and a chain (11') is connected  to  the  other  end  of  the connecting shaft (14). With the apparatus, the  working  space  is reduced.
Patent KR-970008118-B1 (KR)
Inventor: BECHER FRANK
IPC: A61M/
Filed: 1987-07-09
Granted: 1997-05-21
Abstract: 요약없음
Patent KR-940001085-B1 (KR)
Inventor: BAN YUTAKA
IPC: G03G15/08
Filed: 1990-01-25
Granted: 1994-02-12
Abstract: 내용 없음.