ES2032983T3 - Electrodo fino soportado en fleje conductor electronico y procedimiento de fabricacion. - Google Patents
Electrodo fino soportado en fleje conductor electronico y procedimiento de fabricacion.Info
- Publication number
- ES2032983T3 ES2032983T3 ES198888400546T ES88400546T ES2032983T3 ES 2032983 T3 ES2032983 T3 ES 2032983T3 ES 198888400546 T ES198888400546 T ES 198888400546T ES 88400546 T ES88400546 T ES 88400546T ES 2032983 T3 ES2032983 T3 ES 2032983T3
- Authority
- ES
- Spain
- Prior art keywords
- strip
- electronic conductive
- lithium
- conductive strap
- manufacturing procedure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
- H01M4/662—Alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0483—Processes of manufacture in general by methods including the handling of a melt
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/666—Composites in the form of mixed materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/80—Porous plates, e.g. sintered carriers
- H01M4/806—Nonwoven fibrous fabric containing only fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—Organic polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/40—Alloys based on alkali metals
- H01M4/405—Alloys based on lithium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/668—Composites of electroconductive material and synthetic resins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/49115—Electric battery cell making including coating or impregnating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Coating With Molten Metal (AREA)
- Manufacture Of Switches (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
PROCEDIMIENTO DE FABRICACION DE ELECTRODOS DELGADOS, SOPORTADOS SOBRE UN FLEJE CONDUCTOR ELECTRONICO (3), DE UN ELEMENTO ELEGIDO ENTRE LITIO (3''), LITIO ALEADO O DOPADO, CUYO PUNTO DE FUSION NO SE DIFERENCIA DEL PUNTO DE FUSION DEL LITIO EN MAS O MENOS 50 (GRADOS) C Y DE ESPESOR CONSTANTE DE ELEMENTO, A PARTIR DE UN ENRROLLAMIENTO DEL FLEJE (1) Y DE UNA FUENTE DEL ELEMENTO. SEGUN LA INVENCION, SE CONSTITUYE UN BAÑO (9) DEL ELEMENTO EN ESTADO FUNDIDO, SE DESENROLLA EL FLEJE EN CONTINUO, SE APLICA CONTINUAMENTE SOBRE UNA DE LAS DOS CARAS DEL FLEJE UNA CANTIDAD CONSTANTE DEL ELEMENTO EN ESTADO FUNDIDO, PARA PRODUCIR UNA PELICULA (3'') SOBRE EL FLEJE CUYO ESPESOR ES CONSTANTE, Y SE SITUA ENTRE LOS 0,1 Y 40 (MU) APROSIMADAMENTE, Y CUYA SUPERFICIE ES HOMOGENEA Y UNIFORME. SE HACE DE MODO QUE SE IMPIDE QUE EL ELEMENTO EN ESTADO FUNDIDO SOLIDIFIQUE POR CONTACTO CON EL FLEJE, Y SE PROVOCA LA SOLIDIFICACION DEL ELEMENTO SOBRE EL FLEJE DESPUES DE LA FORMACION DE LA PELICULA SOBRE EL FLEJE. ELECTRODOCONSTITUIDO POR UN FLEJE BAÑADO POR UNA CAPA DE LITIO DE 0,1 A 40 (MU).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000531715A CA1288473C (fr) | 1987-03-11 | 1987-03-11 | Electrode mince supportee sur feuillard conducteur electronique et procede de fabrication |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2032983T3 true ES2032983T3 (es) | 1993-03-01 |
Family
ID=4135145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888400546T Expired - Lifetime ES2032983T3 (es) | 1987-03-11 | 1988-03-09 | Electrodo fino soportado en fleje conductor electronico y procedimiento de fabricacion. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4824746A (es) |
EP (1) | EP0285476B1 (es) |
JP (1) | JPS63241859A (es) |
AT (1) | ATE76702T1 (es) |
CA (1) | CA1288473C (es) |
DE (1) | DE3871417D1 (es) |
ES (1) | ES2032983T3 (es) |
GR (1) | GR3005547T3 (es) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4911995A (en) * | 1987-03-11 | 1990-03-27 | Hydro-Quebec | Thin electrode supported on electronically conductive sheet and process of manufacture |
FR2616969B1 (fr) * | 1987-06-18 | 1989-09-08 | Elf Aquitaine | Procede de fabrication d'un ensemble electrochimique comprenant une electrode et un electrolyte et ensemble ainsi realise |
US5019469A (en) * | 1987-06-18 | 1991-05-28 | Societe Nationale Elf Aquitaine | Process for production of an electrochemical sub-assembly comprising an electrode and an electrolyte, and the sub-assembly obtained in this way |
DE3838329A1 (de) * | 1987-11-11 | 1989-05-24 | Ricoh Kk | Negative elektrode fuer sekundaerbatterie |
ES2047573T3 (es) * | 1988-09-09 | 1994-03-01 | Hydro Quebec | Procedimiento de fabricacion de electrodos delgados sobre una lamina. |
US5080932A (en) * | 1989-08-02 | 1992-01-14 | Mhb Joint Venture | Method for coating lithium on a substrate |
US5169446A (en) * | 1989-08-02 | 1992-12-08 | Mhb Joint Venture | Method and apparatus for coating alkali or alkaline earth metals |
CA2021764C (en) * | 1989-08-02 | 2000-01-11 | Rene Koksbang | Method and apparatus for coating alkali or alkaline earth metals |
EP0510419B1 (en) * | 1991-04-25 | 1997-07-23 | Nippon Steel Corporation | Method of molten metal plating and apparatus therefor |
CA2051611C (fr) * | 1991-09-17 | 1996-01-23 | Michel Gauthier | Procede de preparation d'ensembles collecteurs-electrodes pour generateurs de films minces, ensembles collecteurs- electrodes et generateurs obtenus |
CA2068290C (fr) * | 1992-05-08 | 1999-07-13 | Michel Gauthier | Prise de contact electrique sur des anodes de lithium |
US5411764A (en) * | 1993-03-30 | 1995-05-02 | Valence Technology, Inc. | Method of making lithium electrode |
CA2099524C (fr) * | 1993-07-02 | 1999-05-18 | Patrick Bouchard | Procede de laminage de film de lithium mince par decollement controle |
CA2099526C (fr) * | 1993-07-02 | 2005-06-21 | Hydro-Quebec | Additifs pour lubrifiants utilises dans le laminage de feuillards de lithium en films minces |
CA2143047A1 (en) * | 1994-02-22 | 1995-08-23 | Yoshinori Takada | Alloy for the negative electrode of lithium secondary battery and lithium secondary battery |
AU2284895A (en) * | 1994-04-20 | 1995-11-16 | Valence Technology, Inc. | Method for producing low porosity electrode |
US5522955A (en) * | 1994-07-07 | 1996-06-04 | Brodd; Ralph J. | Process and apparatus for producing thin lithium coatings on electrically conductive foil for use in solid state rechargeable electrochemical cells |
EP1000674B1 (fr) | 1994-07-12 | 2005-05-11 | Hydro-Quebec | Procédé d'élaboration d'un film mince de métal alcalin ou d'alliage de métal alcalin, par laminage d'un feuillard en présence d'une composition lubrifiante |
US6120930A (en) * | 1997-07-25 | 2000-09-19 | 3M Innovative Properties Corporation | Rechargeable thin-film electrochemical generator |
US5952815A (en) * | 1997-07-25 | 1999-09-14 | Minnesota Mining & Manufacturing Co. | Equalizer system and method for series connected energy storing devices |
US6100702A (en) * | 1997-07-25 | 2000-08-08 | 3M Innovative Properties Company | In-situ fault detection apparatus and method for an encased energy storing device |
US6046514A (en) * | 1997-07-25 | 2000-04-04 | 3M Innovative Properties Company | Bypass apparatus and method for series connected energy storage devices |
US6146778A (en) | 1997-07-25 | 2000-11-14 | 3M Innovative Properties Company | Solid-state energy storage module employing integrated interconnect board |
US6087036A (en) * | 1997-07-25 | 2000-07-11 | 3M Innovative Properties Company | Thermal management system and method for a solid-state energy storing device |
US6099986A (en) | 1997-07-25 | 2000-08-08 | 3M Innovative Properties Company | In-situ short circuit protection system and method for high-energy electrochemical cells |
US6104967A (en) * | 1997-07-25 | 2000-08-15 | 3M Innovative Properties Company | Fault-tolerant battery system employing intra-battery network architecture |
US6117584A (en) * | 1997-07-25 | 2000-09-12 | 3M Innovative Properties Company | Thermal conductor for high-energy electrochemical cells |
US6235425B1 (en) * | 1997-12-12 | 2001-05-22 | 3M Innovative Properties Company | Apparatus and method for treating a cathode material provided on a thin-film substrate |
JP2002212705A (ja) * | 2001-01-22 | 2002-07-31 | Sumitomo Electric Ind Ltd | 薄膜製造方法および薄膜製造設備 |
US6933077B2 (en) * | 2002-12-27 | 2005-08-23 | Avestor Limited Partnership | Current collector for polymer electrochemical cells and electrochemical generators thereof |
ITMI20042516A1 (it) * | 2004-12-27 | 2005-03-27 | Getters Spa | Processo per produrre mediante deposizione di lega bassofondente dispositivi portanti almeno un materiale attivo |
CA2552282A1 (fr) * | 2006-07-18 | 2008-01-18 | Hydro Quebec | Materiau multi-couches a base de lithium vif, procedes de preparation et applications dans les generateurs electrochimiques |
JP2011026707A (ja) * | 2010-09-13 | 2011-02-10 | Sumitomo Electric Ind Ltd | 薄膜製造方法および薄膜製造設備 |
US9385397B2 (en) | 2011-08-19 | 2016-07-05 | Nanotek Instruments, Inc. | Prelithiated current collector and secondary lithium cells containing same |
KR101816763B1 (ko) * | 2013-05-08 | 2018-01-09 | 주식회사 엘지화학 | 절연층을 포함한 전극 구조체, 그 제조방법 및 상기 전극을 포함하는 전기화학소자 |
CA2944521C (fr) | 2014-04-01 | 2022-04-05 | Hydro-Quebec | Polymeres et leur utilisation comme agents lubrifiants dans la production de films de metaux alcalins |
CN108541226A (zh) * | 2017-01-05 | 2018-09-14 | 株式会社爱发科 | 卷取式成膜装置及卷取式成膜方法 |
KR102258758B1 (ko) * | 2017-12-14 | 2021-06-07 | 주식회사 엘지에너지솔루션 | 리튬 금속 전극의 표면에 부동태막을 형성하는 리튬 이차전지의 연속 제조 방법 및 이의 제조 방법으로 제조된 리튬 이차전지 |
CN108336298B (zh) * | 2018-01-07 | 2021-01-01 | 合肥国轩高科动力能源有限公司 | 一种制备复合锂金属负极的装置及制备方法 |
CN111344431B (zh) * | 2018-05-31 | 2021-04-13 | 株式会社爱发科 | 收卷式成膜装置和收卷式成膜方法 |
US11384419B2 (en) * | 2019-08-30 | 2022-07-12 | Micromaierials Llc | Apparatus and methods for depositing molten metal onto a foil substrate |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR962471A (es) * | 1950-06-10 | |||
GB905611A (en) * | 1957-10-01 | 1962-09-12 | Technograph Printed Circuits L | Improvements in and relating to the coating of metallic surfaces |
US4011372A (en) * | 1975-12-09 | 1977-03-08 | The United States Of America As Represented By The United States Energy Research And Development Administration | Method of preparing a negative electrode including lithium alloy for use within a secondary electrochemical cell |
CA1047600A (en) * | 1976-02-02 | 1979-01-30 | Majesty (Her) The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Flexible lead chloride cathode construction |
US4109035A (en) * | 1977-04-19 | 1978-08-22 | Scott Paper Company | Tension wire metering of applicator roll |
US4239817A (en) * | 1979-04-27 | 1980-12-16 | Thyssen Aktiengesellschaft Vorm. August Thyssen-Hutte | Process and apparatus for coating one side of a metal strip with molten metal |
SE434017B (sv) * | 1980-06-10 | 1984-07-02 | Inventing Ab | Sett och anordning for en samtidig, tvasidig behandling av en lopande pappersbana med samma behandlingsmedel |
AT369436B (de) * | 1981-05-12 | 1982-12-27 | Voest Alpine Ag | Verfahren zum kontinuierlichen einseitigen beschichten eines blanken metallbandes mit geschmolzenem metall sowie vorrichtung zur durch- fuehrung des verfahrens |
JPS58126679A (ja) * | 1982-01-22 | 1983-07-28 | Hitachi Ltd | 薄膜リチウム電池の電極形成法 |
JPS60151968A (ja) * | 1984-01-20 | 1985-08-10 | Mitsubishi Electric Corp | 燃料電池用電極の製造方法 |
CA1222543A (fr) * | 1984-04-11 | 1987-06-02 | Hydro-Quebec | Anodes denses d'alliages de lithium pour batteries tout solide |
JPS61239561A (ja) * | 1985-04-16 | 1986-10-24 | Matsushita Electric Ind Co Ltd | 金属電極の製造法 |
-
1987
- 1987-03-11 CA CA000531715A patent/CA1288473C/fr not_active Expired - Lifetime
-
1988
- 1988-03-09 EP EP88400546A patent/EP0285476B1/fr not_active Expired - Lifetime
- 1988-03-09 ES ES198888400546T patent/ES2032983T3/es not_active Expired - Lifetime
- 1988-03-09 DE DE8888400546T patent/DE3871417D1/de not_active Expired - Lifetime
- 1988-03-09 AT AT88400546T patent/ATE76702T1/de not_active IP Right Cessation
- 1988-03-11 US US07/166,980 patent/US4824746A/en not_active Expired - Lifetime
- 1988-03-11 JP JP63058134A patent/JPS63241859A/ja active Pending
-
1992
- 1992-08-27 GR GR920401876T patent/GR3005547T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE3871417D1 (de) | 1992-07-02 |
CA1288473C (fr) | 1991-09-03 |
GR3005547T3 (es) | 1993-06-07 |
ATE76702T1 (de) | 1992-06-15 |
US4824746A (en) | 1989-04-25 |
EP0285476A1 (fr) | 1988-10-05 |
EP0285476B1 (fr) | 1992-05-27 |
JPS63241859A (ja) | 1988-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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