baber/WOPTO huggingface dataset:
Patent GB-2613428-A (GB)
Title: A hygrothermal dynamic component combination and construction to cause natural constant outward building drying forces and insulation via pitched roofs and...
Inventor: DAVID FREDERICK MARTIN
IPC: E04D13/16
Filed: 2022-08-26
Abstract: A combination of hygrothermally-dynamic components that aims to cause natural constant outward building drying forces and insulation, including heat retention, sound transfer resistance and fire spread inhibition, via pitched roofs and external walls that enclose heated or unheated spaces, new buildings, or refurbishments. The combination may comprise hygrothermally-dynamic finishes 4, such as tiles or slates, that are positioned above a breathable underlay 2, which itself is positioned above a ceiling 1. A moisture-repellent and tear-resistant filling 5 may be positioned in the space between the underlay 2 and finishes 4, and can be bonded to the underlay 2; and an insulating material 7 can fill the space between the ceiling 1 and the underlay 2. The underlay 2, which can be a microporous or perforated reflective foil, can be supported on rafters 6.
Patent GB-2614394-A (GB)
Title: Organic compound and organic light emitting element comprising the same
Inventor: SEONKEUN YOO
IPC: C07D495/16
Filed: 2022-10-27
Abstract: A compound of Formula 1: (1) wherein X is O or S, R1 to R6 are each independently hydrogen, halogen; cyano, nitro, C6-C60 aryl; fluorenyl; C2-C60 heterocyclyl containing at least one heteroatom selected from O, N, S, Si and P; a fused ring system of a C3-C60 aliphatic ring and a C6-C60 aromatic ring; C1-C50 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C1-C30 alkoxy, and C6-C30 aryloxy; L is selected from a single bond; C6-C60 arylene, fluorenylene, C2-C60 heterocyclyl containing at least one heteroatom selected from O, N, S, Si, and P; and a fused ring system of a C3-C60 aliphatic ring and a C6-C60 aromatic ring, wherein each aryl, fluorenyl, heterocyclic, fused ring, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, arylene and fluorenylene groups may be further substituted with one or more substituents selected from nitro, cyano, halogen, amino, C1-C20 alkoxyl, C1-C20 alkylthio, C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, C6-C20 aryl, fluorenyl, C2-C20 heterocyclic, C3-C20 cycloalkyl, C7-C20 arylalkyl, and C8-C20 arylalkenyl. These compounds may be used in an organic light emitting element, having high efficiency or long lifespan by including first and second electrodes, and an organic material layer positioned therebetween, where the organic material layer includes an organic compound of Formula 1.
Patent GB-2612463-A (GB)
Title: Club head having balanced impact and swing performance characteristics
Inventor: RYAN M STOKKE
IPC: A63B60/02
Filed: 2017-11-16
Abstract: A hollow body golf club head comprises a volume greater than 400cc, a head centre of gravity (170, fig 1) located at a depth 172 less than 5.1mm and height 174 greater than 25.4mm relative loft 1010 and depth 1040 planes respectively, the club head experiences an aerodynamic drag less than 6.2N when subject to an airspeed of 164kph (102mph). The club head satisfies mathematical relationships relating to drag, centre of gravity position, crown-to-sole moment of inertia and heel-to-toe moment of inertia. Also disclosed is a golf club head with a drag force less than 5.12N at 102mph and a y axis moment of inertia greater than 3100gcm2
Patent GB-2611927-A (GB)
Title: Fastener
Inventor: Mark David Furness
IPC: F16B37/08
Filed: 2021-06-11
Abstract: A fastener for coupling an elongate member to an object with an elongate slot. The fastener comprises first and second parts, the first and second parts being configured to locate on opposing sides of the elongate member to provide a channel for receiving the elongate member. The first and second parts together comprising a retaining portion that includes a projection for retaining the fastener at least partially in the object. The length dimension of the channel defines a longitudinal axis, and the retaining portion is configured to be inserted through the elongate slot in the object and be rotated about the longitudinal axis to retain the fastener at least partially in the object. The fastener comprises coupling means for coupling the first part to the second part. The coupling means is configured to, when the first part is coupled to the second part, enable a limited amount of movement of the first part relative to the second part in a dimension substantially perpendicular to the longitudinal axis. The fastener comprises an interference surface arranged to abut against the object during rotation of the fastener, to urge the first part towards the second part.
Patent GB-2618218-A (GB)
Title: Fingerprint recognition module and driving method therefor, and display apparatus
Inventor: KUIYUAN WANG
IPC: G06V40/13
Filed: 2021-05-31
Abstract: A fingerprint recognition module. The fingerprint recognition module comprises: a base substrate (1); a driving circuit layer (9), located at one side of the base substrate and comprising a plurality of driving transistors (12) arranged in an array; a first insulating layer (5), located at the side of the driving circuit layer distant from the base substrate and comprising a plurality of first via holes (13) passing through the first insulating layer in a thickness direction; a plurality of photoelectric conversion portions (15), located at the side of the first insulating layer distant from the driving circuit layer and being in contact with the first electrodes of the driving transistors by means of the first via holes in a one-to-one correspondence mode; a second insulating layer (16), located at the side of the first insulating layer distant from the base substrate and comprising a plurality of second via holes (17) having one-to-one correspondence to the photoelectric conversion portions, wherein a distance between the edge of each second via hole and the edge of the surface of the side of each photoelectric conversion portion distant from the base substrate is less than or equal to a first preset value; and a plurality of first electrodes (18), located at the side of the photoelectric conversion portions distant from the driving circuit layer, and each first electrode covering the photoelectric conversion portion in the second via hole.
Patent GB-2617032-A (GB)
Title: Silicon-carbon composite negative electrode material, preparation method therefor and application thereof
Inventor: XIA FAN
IPC: H01M4/36
Filed: 2022-05-12
Abstract: The present invention relates to the technical field of battery materials. Disclosed are a silicon-carbon composite negative electrode material, a preparation method therefor and an application thereof. The preparation method comprises the following steps: dissolving graphite negative electrode powder into an acid solution, performing solid-liquid separation, obtaining a precipitate, washing and drying same, adding a reducing agent, and performing heat treatment to obtain a purified graphite material; and adding modified silicon powder to the graphite material and mixing the two, then adding the mixture to a polyimide-containing dimethyformamide solution, stirring, distilling, and performing carbonization treatment to obtain a silicon-carbon composite negative electrode material. According to the present invention, the recovered graphite negative electrode powder is purified by means of acid leaching, and is further purified by adding a reducing agent in a chlorine atmosphere for heat treatment, thereby improving the purity of the recovered graphite powder.
Patent GB-2620508-A (GB)
Title: Aggregation-induced luminescent compound, and supramolecular polymerized fluorescent nano-material and preparation method therefor
Inventor: XIAOYING YIN
IPC: C07C225/22
Filed: 2021-09-24
Abstract: The present invention relates to an aggregation-induced luminescent compound, and a supramolecular polymerized fluorescent nano-material and a preparation method therefor. The preparation method for the supramolecular polymerized fluorescent nano-material comprises: covalently binding an aggregation-induced luminescent compound and PCDA to obtain a new compound; dissolving the obtained new compound in dichloromethane or chloroform; dissolving the PCDA in dichloromethane or chloroform; and preparing a precursor of a supramolecular polymerized fluorescent nano-material from the solution by means of a film hydration method. Compared with the prior art, on the basis of the compound with an aggregation-induced emission (AIE) property, AIE molecules are introduced into a supramolecular system in a covalent/non-covalent manner, nanoparticles are spontaneously assembled by means of hydrophilic and hydrophobic effects between molecules, and finally, compact and stable AIE points are generated by means of photo-crosslinking, and the characteristics of high brightness and surface functionalization are thus realized.
Patent GR-920100406-A (GR)
Title: "comb" for cutting off olives.
Inventor: KANAKIS DIMITRIOS
IPC: A01D46/24
Filed: 1992-09-30
Abstract: The particular feature of the "Comb" of this invention is that its "Teeth" are not attached either to its "Body" or among themselves and do not constitute an integrated and compact set. Therefore, when the "Teeth" are pressed mildly, they move towards the "Body" and rotate around their axle, each one separately from the others. The "Comb" can also be attached to a jig or handle. The jig consists of three parts that operate in a telescopic manner. The First Part is attached at its one end to the "Comb" and moves by being pulled by a belt within the Second Part on a determined path, in this way shifting the "Comb" as well with it. The Second Part is attached to the first with two rubber belts and sets the path of the First Part, by the empty spaces it has, through which it also prevents the distancing of one part from the other and ensures the retrogression of the first part. The Third Part is attached at its one end to a rubber surface that can be tied around the worker's waist and has a joint that enables the rotation of the jig by 180 degrees. To use the device, the worker wears the belt over the shoulder or back, lets the rubber surface rest on his/her waist or holds it with his/her trouser belt and by pulling the belt with the handle, he/she can cut the fruit. The advantages of this "Comb" are that it does not damage the fruit, the leaves and the next fruition of the tree, reduces the worker's tiredness and makes him/her more productive.
Patent GT-199400061-A (GT)
IPC: B65D5/28
Filed: 1994-09-02
Abstract: A carton for containers such as cans or bottles includes a top wall, pair of side walls and a bottom wall interconnected to form a tubular structure. End closure structure includes an end flap connected to each end edge of the top wall. A handle aperture is defined in the top wall and positioned thereon generally centrally of the top wall. A handle reinforcing structure includes a pair of end portions, one of the end portions connected along a side edge of each of the end flaps and extending to the top edge thereof, and a central portion connected to each of the end portions and extending therebetween. The central portion is secured in overlapping relationship to the top wall and positioned thereon to be substantially adjacent to a portion of the handle aperture.
Patent GT-199700054-A (GT)
Inventor: HARKRADER RONALD J
IPC: C07D221/18
Filed: 1997-04-30
Abstract: The present invention relates to a chemical composition useful in the chemical management of plant disease. The pesticides of the present invention incorporate benzophenanthridine alkaloids into formulations that are (1) residual and active for a period of time, (2) are adhesive to plant surfaces, (3) have good spreading properties, (4) are stable against photodeactivation, (5) have low phytoxicity, and (6) are capable of penetrating plant tissues.
Patent GT-199800044-A (GT)
Title: Composiciones farmaceuticas a base de diclofenac.
IPC: A61K31/135
Filed: 1998-02-24
Abstract: COMPOSICIONES FARMACEUTICAS PARA USO ORAL QUE CONTIENEN DICLOFENAC EN FORMA DE ACIDO Y/O SAL, JUNTO CON LOS EXCIPIENTES Y ADYUVANTES HABITUALES, CARACTERIZADAS PORQUE CONTIENEN CARBONATOS Y BICARBONATOS DE METALES ALCALINOS O MEZCLAS DE LOS MISMOS EN UNA CANTIDAD DE POR LO MENOS 20% EN PESO, BASADO EN EL PESO DE DICLOFENAC EN FORMA DE ACIDO. ESTOS COMPUESTOS TIENE LA ESTRUCTURA QUIMICA ( I ), DESCRITA EN EL EXPEDIENTE.
Patent IN-2014DE00923-A (IN)
Inventor: CHOUDHARY RAJA
IPC: F25J/
Filed: 2014-03-31
Abstract: The present invention relates to a suspension agitator system. The suspension agitator system is particularly useful in electrodeposition and chemical processes. The suspension agitator system is highly efficient as it helps in uniformly agitating the suspension and also helps in maintaining uniform concentration of particles throughout the suspension.
Patent KR-830000281-A (KR)
Title: 표면처리용 형재를 매다는 장치
IPC: C25D17/06
Filed: 1978-04-21
Abstract: 내용 없음
Patent KR-830000705-A (KR)
Title: 멀아밀-펲타이드형태인 신규 화합물의 제조방법
IPC: C07H13/02
Filed: 1979-06-30
Abstract: 내용 없음
Patent KR-830004030-A (KR)
Title: 텔레비죤 수상기의 동기장치
Filed: 1980-05-13
Abstract: 내용 없음
Patent KR-830004290-A (KR)
Title: 3-하이드라지노-6-py-피리다진이나 그의 산부가염의 제조방법
IPC: C07D213/50
Filed: 1980-12-12
Abstract: 내용 없음
Patent KR-840002474-A (KR)
Title: 카딩기로부터 나온 플리이스의 콘덴싱장치
IPC: D01G15/46
Filed: 1982-11-05
Abstract: 내용 없음.
Patent KR-840002524-A (KR)
Title: 금속체를 탐지하기 위한장치
IPC: G01V3/10
Filed: 1982-11-06
Abstract: 내용 없음.
Patent KR-840003592-A (KR)
Title: 유리타일의 제조 방법
IPC: C04B35/00
Filed: 1983-02-15
Abstract: 내용 없음
Patent KR-840006703-A (KR)
IPC: G02B6/00
Filed: 1983-11-11
Abstract: PCT No. PCT/US82/01609 Sec. 371 Date Jul. 9, 1984 Sec. 102(e) Date Jul. 9, 1984 PCT Filed Nov. 12, 1982 PCT Pub. No. WO84/02006 PCT Pub. Date May 24, 1984.A continuously variable optical delay line having a first substrate (66, 70) and a second substrate (95). The first substrate is composed of a quartz block (70) with a large radius of curvature along its length, supporting a silicon substrate (66) having a plurality of longitudinal, parallel v-grooves (68). A single length (121) of single mode optical fiber is wrapped around the first substrate (66, 70) in helical fashion with each loop being secured in one of the v-grooves (68). The portions of the fiber (121) in the v-grooves (68) are lapped and polished to create a flat coupling surface extending laterally and longitudinally across the first substrate (66, 70). The second substrate (91) is composed of a quartz block with a single v-groove holding a segment of single mode fiber (95). The radius of curvature of this v-groove is substantially smaller than that of the first substrate, such that the flat coupling surface of the second substrate (91) is shorter than that of the first substrate (66). The first and second substrates are placed together such that the fiber in the second substrate is coupled to the fiber in the first substrate. By moving (142) the second substrate longitudinally with respect to the first substrate, a continuously variable delay can be obtained. The continuously variable delay line can be combined with a separate discretely variable delay line to create a longer continuous variable delay. The continuous variable delay line can be formed with only one v-groove (68) in the first substrate (66).
Patent KR-850000620-A (KR)
Title: 자동 변속기의 변속제어 방법
IPC: F16H59/42
Filed: 1984-06-30
Abstract: 내용 없음.
Patent KR-860001466-A (KR)
Title: 전 자 총
IPC: H01J29/48
Filed: 1984-12-31
Abstract: 내용 없음
Patent KR-850005494-A (KR)
Title: L-세린 디아미나아제 활동도가 결여된 돌연변이체 속
IPC: C12N15/00
Filed: 1985-01-07
Abstract: 내용 없음
Patent KR-850006674-A (KR)
Title: 보안용의 새겨진 신분증 및 제작방법
IPC: B42D15/10
Filed: 1985-03-30
Abstract: 내용 없음
Patent KR-850008216-A (KR)
IPC: F42B3/198
Filed: 1985-04-29
Abstract: The pole body contains an insulating carrier element made of plastic and provided with elevations on one side and on an other side of the insulating carrier element. The elevation on the other side partially protrudes into a metal layer applied to the insulating carrier element and conjointly therewith forms a planar surface forming the two poles of the fuze. The pole body is manufactured by applying the metal layer to the insulating carrier element which is provided with wedge-shaped elevations. Subsequently, the tips or ridges of the elevations are removed to such an extent that planes including the metal layer are formed. One of the elevations constitutes an interrupted elevation and a number of detonating bridges is formed, depending on the number of interruptions in the elevation between the ends of the elevation bounded by the interruptions thereof. The pole body is used in electric fuze devices which have a reaction time in the microsecond range and thus are suited for use with ammunition.
Patent KR-860008734-A (KR)
Title: 녹차 모밀국수의 제조방법
Filed: 1985-05-16
Abstract: 내용 없음
Patent KR-860007405-A (KR)
Title: 편물기계용 급사 전환장치
IPC: D04B15/60
Filed: 1985-07-30
Abstract: 내용 없음
Patent KR-870006448-A (KR)
Title: 저항용접기의 정전류 제어방법
IPC: G05F3/02
Filed: 1985-12-14
Abstract: 내용 없음.
Patent KR-880000584-A (KR)
Title: B형 간염 바이러스 진단방법
IPC: C12N15/00
Filed: 1986-02-04
Abstract: 내용 없음
Patent KR-860007336-A (KR)
Title: 섬유상에서 수-불용성 아조염류를 제조하는 방법
IPC: C09B35/14
Filed: 1986-03-28
Abstract: 내용 없음
Patent KR-860009490-A (KR)
Title: 반도체장치
IPC: H01L27/108
Filed: 1986-05-09
Abstract: 내용 없음
Patent KR-880002596-A (KR)
Title: 내마모성 철계 소결합금
IPC: C22C33/02
Filed: 1986-08-31
Abstract: 내용 없음
Patent KR-870003476-A (KR)
Title: 기록매체의 정보 판독 장치
IPC: G11B33/08
Filed: 1986-09-26
Abstract: 내용 없음
Patent KR-870004630-A (KR)
Title: 비디오 표시장치용 전원공급장치
IPC: H04N3/185
Filed: 1986-10-30
Abstract: 내용 없음
Patent KR-880008628-A (KR)
Title: 두배 주사 텔레비젼의 선예도 보상 장치
Filed: 1986-12-26
Abstract: 내용 없음.
Patent KR-870006981-A (KR)
Title: 가황기용 취출장치
IPC: B29K21/00
Filed: 1987-01-14
Abstract: 내용 없음
Patent KR-870007385-A (KR)
Title: 타원형의 내부 저어널 타입 파(波) 발생기 제조방법
IPC: F16H55/02
Filed: 1987-01-21
Abstract: 내용 없음
Patent KR-870008093-A (KR)
IPC: E05B27/00
Filed: 1987-02-06
Abstract: For operating one or more additional tumblers (17) which (or each of which) extends parallel to the keyway (8) of a lock cylinder (1), the or each such tumbler (17) has a projection (N) which projects into the keyway (8) through the side wall thereof. The key (6) has a recess (E) formed at the end of its blade (7) for receiving the or each projection (N) when the key (6) is inserted in the keyway (8), the shape of the recess (E) operating the or each additional tumbler (17) to bring its ends within the joint line (F) of the cylinder plug (5) and housing (2). Three profile variations of the recess (E) are proposed.
Patent KR-880011816-A (KR)
Title: 혼합용 그리드
IPC: G21C3/322
Filed: 1987-03-12
Abstract: 내용없음
Patent KR-870009887-A (KR)
IPC: F16B7/10
Filed: 1987-04-08
Abstract: The device comprises inside a housing (14) a gear pinion (10) connected to rotate solely with a control rod (12) and engaged with a rack carried by a U-section rod (6) connected to the element to be displaced. A bolt (18), formed by two yokes which are pivotable relative to each other, comprises a set of teeth (20) engaged in the locking position with the rack and is retained in its lower part in the housing, so that the axial displacement of the control rod (12) folds it in its central part and releases the rack which can be displaced with the gear pinion. The bolt is resiliently biased to the locking position as soon as the pressure exerted by the rod (12) ceases.
Patent KR-880004917-A (KR)
Title: 사출성형금형
IPC: B29C45/27
Filed: 1987-04-27
Abstract: 내용 없음
Patent KR-870011016-A (KR)
Title: 송류에서 분별된 결함이 있는 팩을 결함이 없는 팩으로 대치하기 위한 방법 및 장치
IPC: B65G47/91
Filed: 1987-05-29
Abstract: 내용 없음
Patent KR-880006616-A (KR)
Title: 현금 자동 거래장치
IPC: G07D9/00
Filed: 1987-11-26
Abstract: 내용 없음
Patent KR-890009129-A (KR)
Title: 고정밀도 및 고속도를 필요로하는 광메모리 장치에서의 데이타 처리장치
IPC: H04L9/00
Filed: 1987-11-30
Abstract: 내용 없음
Patent KR-890010745-A (KR)
Title: 인자데이타 유무에 따른 전원자동온.에프제어방법
IPC: G06K15/00
Filed: 1987-12-22
Abstract: 내용 없음
Patent KR-890011176-A (KR)
Title: 유도 전동기의 순시정전 재기동 회로
IPC: H02P1/00
Filed: 1987-12-24
Abstract: 내용 없음
Patent KR-880008932-A (KR)
Title: 부품공급장치
IPC: H05K13/02
Filed: 1987-12-30
Abstract: 내용 없음.
Patent KR-890011671-A (KR)
Title: 용접용 뒷받침재 및 그 제조방법
IPC: C04B38/00
Filed: 1988-01-06
Abstract: 내용 없음
Patent KR-880010862-A (KR)
Title: 축상절삭공구용 연결장치
IPC: B23B31/107
Filed: 1988-03-11
Abstract: 내용 없음
Patent KR-890015231-A (KR)
Title: Vtr의 멀티 스크린 회로
IPC: G11B20/00
Filed: 1988-03-25
Abstract: 내용 없음
Patent KR-900000592-A (KR)
Title: 영구 자석의 엔어지 만을 사용하여 동력을 얻을 수 있는 방법
Filed: 1988-06-07
Abstract: 내용 없음
Patent KR-900001188-A (KR)
Title: 사설 자동교환기의 개인번호 호출등록 및 삭제방법
IPC: H04M3/42
Filed: 1988-06-27
Abstract: 내용 없음
Patent KR-900001172-A (KR)
Title: 패드시스템의 동기 포트 이중화 장치 및 방법
IPC: H04L29/10
Filed: 1988-06-30
Abstract: 내용 없음
Patent KR-900003162-A (KR)
Title: 비스(메틸렌디옥시)비페닐 화합물
IPC: C07D407/04
Filed: 1988-08-05
Abstract: 내용 없음
Patent KR-900003131-A (KR)
Title: 1-아릴피라졸
IPC: C07D231/18
Filed: 1988-08-11
Abstract: 내용 없음
Patent KR-890005409-A (KR)
Title: 유니버샬 조인트의 윤활유 공급장치
IPC: F16D3/26
Filed: 1988-09-23
Abstract: 내용 없음
Patent KR-900006233-A (KR)
Title: 저압 기상법에 의한 다이아몬드 박막 및 미립자 합성
Filed: 1988-10-13
Abstract: 내용 없음
Patent KR-890007890-A (KR)
Title: 폴리에틸렌 복합필름
IPC: B32B27/32
Filed: 1988-11-12
Abstract: 내용 없음
Patent KR-890010084-A (KR)
IPC: C08L9/00
Filed: 1988-12-05
Abstract: A styrene-based resin composition containing (A) a styrene-based resin having mainly syndiotactic configuration and (8) a rubber-like polymer, or further (C) an inorganic filler. The rubber-like polymer (B) includes, for example, (I) polymers produced by polymerizing vinyl monomers in the presence of polymers obtained through polymerization of one or more monomers selected from the group consisting of alkyl acrylate, alkyl methacrylate and polyfunctional monomers having conjugated diene-type double bonds, (II) block or graft copolymers selected from an a-b type block copolymer, an  a-b-a type block copolymer, a b-a-btype block copolymer, an a grafted b copolymer and a b grafted a copolymer and (III) natural or synthetic rubber. The present composition is excellent in heat resistance and further in other physical properties such as impact resistance, stiffness and so on.
Patent KR-880701878-A (KR)
IPC: G01N35/00
Filed: 1988-03-29
Abstract: Methods of discriminating between contaminated and uncontaminated containers prior to washing is disclosed characterized by the testing of the residue of the container to determine if the residue is residue of the original product packed in the container. If the residue is not sufficiently similar to the original product, the container is rejected as contaminated.
Patent KR-890014594-A (KR)
Title: 방향족 폴리이소시아네이트 및 그 제조방법
IPC: C08G18/76
Filed: 1989-03-09
Abstract: 내용 없음.
Patent KR-900000704-A (KR)
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IPC: G01L3/10
Filed: 1989-05-01
Abstract: 내용 없음
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Title: 연속 아닐링(Annealing) 장치 및 방법
IPC: C21D9/56
Filed: 1989-07-04
Abstract: 내용 없음
Patent KR-910003257-A (KR)
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Filed: 1989-07-18
Abstract: 내용 없음.
Patent KR-900004556-A (KR)
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IPC: B29L31/30
Filed: 1989-07-29
Abstract: 내용 없음
Patent KR-910005215-A (KR)
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IPC: G09F11/06
Filed: 1989-08-30
Abstract: 내용 없음
Patent KR-910006926-A (KR)
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IPC: G11B5/76
Filed: 1989-09-06
Abstract: 내용 없음
Patent KR-910005932-A (KR)
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Filed: 1989-09-08
Abstract: 내용 없음
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IPC: C08G59/68
Filed: 1989-11-17
Abstract: 내용 없음
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IPC: H04N3/223
Filed: 1989-11-28
Abstract: 내용 없음