FR2101193A1 - - Google Patents

Info

Publication number
FR2101193A1
FR2101193A1 FR7128235A FR7128235A FR2101193A1 FR 2101193 A1 FR2101193 A1 FR 2101193A1 FR 7128235 A FR7128235 A FR 7128235A FR 7128235 A FR7128235 A FR 7128235A FR 2101193 A1 FR2101193 A1 FR 2101193A1
Authority
FR
France
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.)
Granted
Application number
FR7128235A
Other languages
French (fr)
Other versions
FR2101193B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gates Rubber Co
Original Assignee
Gates Rubber Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22041039&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2101193(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gates Rubber Co filed Critical Gates Rubber Co
Publication of FR2101193A1 publication Critical patent/FR2101193A1/fr
Application granted granted Critical
Publication of FR2101193B1 publication Critical patent/FR2101193B1/fr
Expired legal-status Critical Current

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
    • H01M4/68—Selection of materials for use in lead-acid accumulators
    • H01M4/685—Lead alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/34—Gastight accumulators
    • H01M10/342—Gastight lead accumulators
    • 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
    • H01M4/68—Selection of materials for use in lead-acid accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H01M50/434—Ceramics
    • H01M50/437—Glass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • 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
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
FR7128235A 1970-08-03 1971-08-02 Expired FR2101193B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6222770A 1970-08-03 1970-08-03

Publications (2)

Publication Number Publication Date
FR2101193A1 true FR2101193A1 (en) 1972-03-31
FR2101193B1 FR2101193B1 (en) 1976-03-26

Family

ID=22041039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7128235A Expired FR2101193B1 (en) 1970-08-03 1971-08-02

Country Status (9)

Country Link
US (1) US3862861A (en)
JP (1) JPS5240012B1 (en)
BR (1) BR7104863D0 (en)
CA (2) CA1009301A (en)
DE (1) DE2137908B2 (en)
FR (1) FR2101193B1 (en)
GB (1) GB1364283A (en)
HK (1) HK29478A (en)
SE (1) SE416008B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2403651A1 (en) * 1977-09-19 1979-04-13 Yuasa Battery Co Ltd SEPARATOR FOR ACCUMULATOR BATTERIES
WO1980002471A1 (en) * 1979-05-09 1980-11-13 Chloride Group Ltd Electric storage batteries
WO1980002472A1 (en) * 1979-05-09 1980-11-13 Chloride Group Ltd Electric storage batteries
WO1980002473A1 (en) * 1979-05-09 1980-11-13 Chloride Group Ltd Electric storage batteries
EP0162996A1 (en) * 1984-05-30 1985-12-04 Tudor AB Lead-acid battery construction including improved means for oxygen recombination

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4943132A (en) * 1972-08-31 1974-04-23
US4064725A (en) * 1976-10-18 1977-12-27 The Gates Rubber Company Apparatus for making spirally wound electrochemical cells
JPS5354752A (en) * 1976-10-29 1978-05-18 Japan Storage Battery Co Ltd Spirally sealed lead battery
US4304270A (en) * 1977-01-07 1981-12-08 Matsushita Electric Industrial Co., Ltd. Process for manufacturing of battery plates
NL176893C (en) * 1977-03-03 1985-06-17 Philips Nv RECHARGEABLE ELECTROCHEMICAL CELL CONCLUDED FROM THE SURROUNDING ATMOSPHERE AND METHODS FOR MANUFACTURING SUCH CELLS.
US4099401A (en) * 1977-06-27 1978-07-11 The Gates Rubber Company Method of producing spirally wound electrochemical cells
US4121019A (en) * 1977-07-20 1978-10-17 Garrett Plante Corporation Lead-acid storage battery
US4121017A (en) * 1977-10-25 1978-10-17 Globe-Union Inc. Portable rechargeable lead-acid battery
US4322484A (en) * 1978-09-05 1982-03-30 General Electric Company Spiral wound electrochemical cell having high capacity
NZ193059A (en) * 1979-03-07 1984-03-16 Chloride Group Ltd Recombinant lead acid battery: absorbed electrolytic antimony in electrodes
IT1143120B (en) * 1979-03-12 1986-10-22 Johns Manville IMPROVEMENT IN LEAD / ACID ELECTROLYTIC BATTERY SEPARATORS
US4233379A (en) * 1979-05-17 1980-11-11 Johns-Manville Corporation Separator for starved electrolyte lead/acid battery
AU5992280A (en) * 1979-05-09 1980-11-20 Chloride Group Ltd. Electric storage bateries
US4295029A (en) * 1979-05-29 1981-10-13 The Gates Rubber Company Battery strap connection welding method
WO1981001075A1 (en) * 1979-10-08 1981-04-16 Chloride Group Ltd Electric storage batteries
US4262068A (en) * 1980-01-23 1981-04-14 Yuasa Battery Company Limited Sealed lead-acid battery
IT1170675B (en) * 1980-02-04 1987-06-03 Johns Manville IMPROVEMENT IN LEAD ACCUMULATOR BATTERY SEPARATORS
EP0051599A4 (en) * 1980-05-12 1982-09-03 Dexter Corp Battery separator for lead-acid type batteries.
CA1179013A (en) * 1980-10-03 1984-12-04 Purushothama Rao Sealed, maintenance-free, lead-acid batteries for float applications
US4401730A (en) * 1980-10-03 1983-08-30 Gnb Batteries Inc. Sealed deep cycle lead acid battery
JPS5772275A (en) * 1980-10-21 1982-05-06 Yuasa Battery Co Ltd Sealed lead battery and its manufacture
US4383011A (en) * 1980-12-29 1983-05-10 The Gates Rubber Company Multicell recombining lead-acid battery
US4346151A (en) * 1980-12-29 1982-08-24 The Gates Rubber Company Multicell sealed rechargeable battery
US4421832A (en) * 1981-08-24 1983-12-20 The Gates Rubber Company Electrochemical cell
US4473623A (en) * 1981-12-28 1984-09-25 Sanyo Electric Co., Ltd. Lead acid battery and method of storing it
ZA832713B (en) * 1982-04-20 1984-08-29 Evans Adlard & Co Glass fibre paper separator for electrochemical cells
US4414295A (en) * 1982-05-06 1983-11-08 Gates Energy Products, Inc. Battery separator
GB2129192B (en) * 1982-10-29 1985-10-16 Chloride Group Plc Manufacturing recombination electric storage cells
US4592972A (en) * 1983-07-22 1986-06-03 Gates Energy Products, Inc. Vibration-resistant battery assembly
US4637966A (en) * 1983-10-21 1987-01-20 Gates Energy Products, Inc. Sealed lead-acid cell
US4648177A (en) * 1983-10-21 1987-03-10 Gates Energy Products, Inc. Method for producing a sealed lead-acid cell
JPS6091572A (en) * 1983-10-24 1985-05-22 Yuasa Battery Co Ltd Sealed lead storage battery
EP0214981A1 (en) * 1984-05-07 1987-03-25 Erik Sundberg Sealed electric accumulator and a method for manufacturing parts to the same
US4629622A (en) * 1984-07-27 1986-12-16 Japan Storage Battery Company Limited Sealed lead-acid battery
DE3521200A1 (en) * 1985-06-13 1986-12-18 Otto 6470 Büdingen Jache LEAD ACCUMULATOR WITH A THIXOTROPIC GEL AS AN ELECTROLYTE AND METHOD FOR THE PRODUCTION THEREOF
US4769299A (en) * 1986-06-27 1988-09-06 Gates Energy Products, Inc. High rate sealed lead-acid battery with ultrathin plates
DE3624378A1 (en) * 1986-07-18 1988-01-28 Varta Batterie SEPARATOR FLEECE FOR MAINTENANCE-FREE LEAD ACCUMULATORS WITH FIXED ELECTROLYTE
US4908282A (en) * 1986-11-12 1990-03-13 Hollingsworth And Vose Company Recombinant battery and plate separator therefor
JPH0821418B2 (en) * 1987-06-29 1996-03-04 松下電器産業株式会社 Lead acid battery
IT1211470B (en) * 1987-07-21 1989-11-03 Magneti Marelli Spa LEAD ACCUMULATOR WITH GAS RECOMBINATION
US4788112A (en) * 1987-08-17 1988-11-29 Kung Chin Chung Rechargeable storage battery
US4780379A (en) * 1987-10-06 1988-10-25 Gates Energy Products, Inc. Multicell recombinant lead-acid battery with vibration resistant intercell connector
US4871428A (en) * 1988-03-24 1989-10-03 C & D Charter Power Systems, Inc. Method for in situ forming lead-acid batteries having absorbent separators
US4873157A (en) * 1988-07-05 1989-10-10 East Penn Manufacturing Co., Inc. Recombinant electric storage battery
JPH0261789U (en) * 1988-10-31 1990-05-08
US5001025A (en) * 1989-06-05 1991-03-19 Sealed Energy Systems, Inc. Method for electrochemically treating battery plate stock and related product
JP2653723B2 (en) * 1989-06-14 1997-09-17 ボウルダー バッテリィ，インコーポレイテッド Ultra-thin plate electrochemical cell and manufacturing method
US5047300A (en) * 1989-06-14 1991-09-10 Bolder Battery, Inc. Ultra-thin plate electrochemical cell
US5132176A (en) * 1990-05-03 1992-07-21 Gnb Industrial Battery Company Battery state of charge indicator
US5128600A (en) * 1990-12-17 1992-07-07 Hughes Aircraft Company Method for removing excess electrolyte from a nickel-cadmium cell
US5240468A (en) * 1991-08-21 1993-08-31 General Motors Corporation Method of making a mat-immobilized-electrolyte battery
US5250372A (en) * 1991-08-21 1993-10-05 General Motors Corporation Separator for mat-immobilized-electrolyte battery
US5851695A (en) * 1992-02-10 1998-12-22 C & D Technologies, Inc. Recombinant lead-acid cell and long life battery
WO1994006577A1 (en) * 1992-09-16 1994-03-31 Bolder Battery, Inc. Thin lead film rolling apparatus and method
US5409787A (en) * 1993-02-17 1995-04-25 Electrosource, Inc. Battery plate compression cage assembly
DE19702757C2 (en) * 1997-01-27 1999-11-25 Daramic Inc Separator for lead acid batteries and their use
US6120939A (en) * 1998-01-13 2000-09-19 Daramic, Inc. Meltblown fiber battery separator
JP3242878B2 (en) * 1998-03-23 2001-12-25 日本碍子株式会社 Lithium secondary battery
US6242127B1 (en) 1999-08-06 2001-06-05 Microporous Products, L.P. Polyethylene separator for energy storage cell
DE10107583A1 (en) * 2001-02-17 2002-08-29 Vb Autobatterie Gmbh Method for determining the performance of a storage battery
US6703161B2 (en) 2001-09-20 2004-03-09 Daramic, Inc. Multilayer separator for lead-acid batteries
CN1298067C (en) * 2001-11-06 2007-01-31 株式会社杰士汤浅 Lead-acid battery
KR20040097993A (en) * 2002-02-07 2004-11-18 케이브이지 테크놀러지스 인코포레이티드 Lead acid battery with gelled electrolyte formed by filtration action of absorbent separators, eletrolyte therefor, and absorbent separators therefor
US20030215706A1 (en) * 2002-05-17 2003-11-20 Alcatel Current collection through the ends of a spirally wound electrochemical cell by the use of a wound wire
US20040247995A1 (en) * 2003-06-09 2004-12-09 Devitt John L. Electrical storage battery
US20050153203A1 (en) * 2004-01-13 2005-07-14 Stauffer John E. Lead-zinc battery
US20100047697A1 (en) * 2004-01-13 2010-02-25 Stauffer John E Lead-zinc battery
US7947391B2 (en) * 2004-01-13 2011-05-24 Stauffer John E Lead-alkaline battery
US20120100425A1 (en) 2004-01-16 2012-04-26 Stauffer John E Lead alkaline battery
US20130252083A1 (en) 2004-01-13 2013-09-26 John E. Stauffer Lead-zinc battery
US20090181312A1 (en) * 2004-01-13 2009-07-16 Stauffer John E Lead-alkaline battery
ES2344060T3 (en) 2004-04-05 2010-08-17 Exide Technologies, S.A. LEAD-ACID BATTERY WITH MICROFIBER SEPARATOR THAT HAS IMPROVED ABSORPTION FEATURES.
KR100614367B1 (en) * 2004-10-28 2006-08-21 삼성에스디아이 주식회사 Secondary battery
JP4899467B2 (en) * 2005-12-21 2012-03-21 新神戸電機株式会社 Lead acid battery
US7550231B2 (en) * 2006-10-12 2009-06-23 Stauffer John E Tin-zinc secondary battery
US8722231B2 (en) * 2006-11-14 2014-05-13 Mp Assets Corporation Smart battery separators
KR100814878B1 (en) * 2006-11-17 2008-03-20 삼성에스디아이 주식회사 Lithium secondary battery
US8389149B2 (en) * 2008-08-08 2013-03-05 Mp Assets Corporation Smart battery separators
DE102008062765A1 (en) * 2008-12-18 2010-07-01 Vb Autobatterie Gmbh & Co. Kgaa Textile sheet material for a battery electrode
EP2401782B1 (en) 2009-02-26 2020-06-03 CPS Technology Holdings LLC Battery electrode and method for manufacturing same
KR101050318B1 (en) * 2009-04-16 2011-07-19 에스비리모티브 주식회사 Secondary battery module
CN105428661B (en) 2010-04-14 2018-06-12 约翰逊控制技术公司 Accumulator and accumulator plate component
US9748578B2 (en) 2010-04-14 2017-08-29 Johnson Controls Technology Company Battery and battery plate assembly
EP2638585A4 (en) 2010-11-10 2016-10-12 Epic Ventures Inc Lead acid cell with active materials held in a lattice
JP5867747B2 (en) * 2011-03-08 2016-02-24 株式会社Ｇｓユアサ Liquid lead-acid battery
US9923242B2 (en) 2014-01-23 2018-03-20 John E. Stauffer Lithium bromide battery
US11380962B2 (en) * 2014-06-17 2022-07-05 Owens Corning Intellectual Capital, Llc Anti-sulphation pasting mats for lead-acid batteries
WO2015195742A1 (en) 2014-06-17 2015-12-23 Ocv Intellectual Capital, Llc Water loss reducing pasting mats for lead-acid batteries
US9666898B2 (en) 2014-07-22 2017-05-30 John E. Stauffer Storage battery using a uniform mix of conductive and nonconductive granules in a lithium bromide electrolyte
US9509017B2 (en) 2014-07-22 2016-11-29 John E. Stauffer Lithium storage battery
US11936032B2 (en) 2017-06-09 2024-03-19 Cps Technology Holdings Llc Absorbent glass mat battery
MX2019014765A (en) 2017-06-09 2020-07-22 Cps Tech Holdings Llc Lead-acid battery.
WO2021067774A1 (en) 2019-10-04 2021-04-08 Cps Technology Holdings Llc Spiral wound battery & cell with carbonised fiber mat current collector

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US2487499A (en) * 1947-11-05 1949-11-08 Chrysler Corp Spirally wound storage cell
US2694628A (en) * 1951-07-14 1954-11-16 Nat Lead Co Grid metal alloy
FR1343759A (en) * 1962-10-13 1963-11-22 Accumulateurs Fixes Improvements to accumulators and other electrochemical generators or electrolytic cells
US3537902A (en) * 1964-10-29 1970-11-03 Yuasa Batttery Co Ltd Semi-sealed type storage battery
US3402077A (en) * 1964-12-19 1968-09-17 Japan Storage Battery Co Ltd Storage batteries and method of manufacturing the same
US3257237A (en) * 1965-03-04 1966-06-21 Accumulatornefabrik Sonnensche Lead acid type storage battery
US3310438A (en) * 1966-02-17 1967-03-21 St Joseph Lead Co Dispersion strengthened lead battery grids
US3447969A (en) * 1966-11-17 1969-06-03 Us Navy Storage battery improvement
US3437523A (en) * 1967-08-29 1969-04-08 Esb Inc Method of making a battery electrode containing meta-dinitrobenzene and a metallic halide
US3494800A (en) * 1968-04-08 1970-02-10 Mark Shoeld Method of making lead acid storage battery
CA927912A (en) * 1968-05-30 1973-06-05 Ichimura Hideyuki Electrode for a lead storage battery comprising an electrolytically etched and reduced lead-silver alloy plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2403651A1 (en) * 1977-09-19 1979-04-13 Yuasa Battery Co Ltd SEPARATOR FOR ACCUMULATOR BATTERIES
WO1980002471A1 (en) * 1979-05-09 1980-11-13 Chloride Group Ltd Electric storage batteries
WO1980002472A1 (en) * 1979-05-09 1980-11-13 Chloride Group Ltd Electric storage batteries
WO1980002473A1 (en) * 1979-05-09 1980-11-13 Chloride Group Ltd Electric storage batteries
EP0162996A1 (en) * 1984-05-30 1985-12-04 Tudor AB Lead-acid battery construction including improved means for oxygen recombination

Also Published As

Publication number Publication date
BR7104863D0 (en) 1973-05-31
DE2137908B2 (en) 1974-11-07
JPS474222A (en) 1972-03-01
SE416008B (en) 1980-11-17
US3862861A (en) 1975-01-28
GB1364283A (en) 1974-08-21
CA1030214A (en) 1978-04-25
US3862861B1 (en) 1987-04-07
DE2137908A1 (en) 1972-02-10
HK29478A (en) 1978-06-23
FR2101193B1 (en) 1976-03-26
CA1009301A (en) 1977-04-26
JPS5240012B1 (en) 1977-10-08

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