FR2364107B1 - - Google Patents

Info

Publication number
FR2364107B1
FR2364107B1 FR7727459A FR7727459A FR2364107B1 FR 2364107 B1 FR2364107 B1 FR 2364107B1 FR 7727459 A FR7727459 A FR 7727459A FR 7727459 A FR7727459 A FR 7727459A FR 2364107 B1 FR2364107 B1 FR 2364107B1
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.)
Expired
Application number
FR7727459A
Other languages
French (fr)
Other versions
FR2364107A1 (fr
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of FR2364107A1 publication Critical patent/FR2364107A1/fr
Application granted granted Critical
Publication of FR2364107B1 publication Critical patent/FR2364107B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/36—Polytetrafluoroethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06—Tubular membrane modules
    • B01D63/061—Manufacturing thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/04—Tubular membranes
    • B01D69/043—Tubular membranes characterised by the tube diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/30—Drawing through a die
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor
    • B29L2031/7532—Artificial members, protheses
    • B29L2031/7534—Cardiovascular protheses
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/919—Sintered product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7727459A 1976-09-13 1977-09-12 Tubes microporeux et procede de fabrication de tels tubes Granted FR2364107A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11053676A JPS5334868A (en) 1976-09-13 1976-09-13 Fine porous tube

Publications (2)

Publication Number Publication Date
FR2364107A1 FR2364107A1 (fr) 1978-04-07
FR2364107B1 true FR2364107B1 (cg-RX-API-DMAC7.html) 1981-11-27

Family

ID=14538290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7727459A Granted FR2364107A1 (fr) 1976-09-13 1977-09-12 Tubes microporeux et procede de fabrication de tels tubes

Country Status (6)

Country Link
US (2) US4177334A (cg-RX-API-DMAC7.html)
JP (1) JPS5334868A (cg-RX-API-DMAC7.html)
CA (1) CA1099463A (cg-RX-API-DMAC7.html)
DE (1) DE2740759C3 (cg-RX-API-DMAC7.html)
FR (1) FR2364107A1 (cg-RX-API-DMAC7.html)
GB (1) GB1590275A (cg-RX-API-DMAC7.html)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
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JPS5553534A (en) * 1978-10-12 1980-04-19 Sumitomo Electric Ind Ltd Method of fabricating sealing material
CA1147109A (en) * 1978-11-30 1983-05-31 Hiroshi Mano Porous structure of polytetrafluoroethylene and process for production thereof
SE429317B (sv) * 1980-05-29 1983-08-29 Plm Ab Sett att astadkomma ett element av polyetylentereftalat eller dermed liknande termoplastmaterial jemte anordning herfor
JPS58201823A (ja) * 1982-05-18 1983-11-24 Asahi Glass Co Ltd イオン交換膜の製造方法
CA1216721A (en) * 1982-08-23 1987-01-20 Norman R. Harlow Manufacture of low density sintered polytetrafluoroethylene insulated cable
US4598011A (en) * 1982-09-10 1986-07-01 Bowman Jeffery B High strength porous polytetrafluoroethylene product having a coarse microstructure
US4482516A (en) * 1982-09-10 1984-11-13 W. L. Gore & Associates, Inc. Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure
FI77880C (fi) * 1982-09-10 1989-05-10 Gore & Ass Poroest material bestaoende vaesentligen av en ptfe-polymer.
GB2156733B (en) * 1984-03-30 1987-10-28 Nat Res Dev Die drawing of tubular thermoplastics
CA1277474C (en) * 1985-04-02 1990-12-11 Norman Ralph Harlow Manufacture of low density, sintered polytetrafluoroethylene articles
JPS63126724A (ja) * 1986-11-17 1988-05-30 Nippon Valqua Ind Ltd フツ素樹脂製ロツドの製造方法
US4892539A (en) * 1988-02-08 1990-01-09 D-R Medical Systems, Inc. Vascular graft
JPH026832A (ja) * 1988-06-24 1990-01-11 Daikin Ind Ltd 多孔質ポリテトラフルオロエチレン中空糸及びその製法
US4973609A (en) * 1988-11-17 1990-11-27 Memron, Inc. Porous fluoropolymer alloy and process of manufacture
EP0377067A1 (de) * 1989-01-05 1990-07-11 W.L. Gore & Associates GmbH Sperrvorrichtung für abgedichtete Gehäuse
US4999146A (en) * 1990-02-12 1991-03-12 Thermax Wire Corp. Process for manufacture of low density polytetrofluoroethylene insulated cable
JP2881939B2 (ja) * 1990-04-06 1999-04-12 住友電気工業株式会社 手術用縫合糸及びその製造方法
US5433909A (en) * 1992-03-13 1995-07-18 Atrium Medical Corporation Method of making controlled porosity expanded polytetrafluoroethylene products
US6025044A (en) 1993-08-18 2000-02-15 W. L. Gore & Associates, Inc. Thin-wall polytetrafluoroethylene tube
US6027779A (en) * 1993-08-18 2000-02-22 W. L. Gore & Associates, Inc. Thin-wall polytetrafluoroethylene tube
US6159565A (en) * 1993-08-18 2000-12-12 W. L. Gore & Associates, Inc. Thin-wall intraluminal graft
EP0714345B1 (en) * 1993-08-18 2001-09-12 W.L. Gore & Associates, Inc. A thin-wall, seamless, porous polytetrafluoroethylene tube
FR2710286B1 (fr) * 1993-09-22 1995-12-08 Plastic Omnium Cie Corps creux en résine fluorée, procédé pour sa fabrication et presse à extruder pour la mise en Óoeuvre du procédé.
US5609624A (en) * 1993-10-08 1997-03-11 Impra, Inc. Reinforced vascular graft and method of making same
US5505887A (en) * 1994-03-10 1996-04-09 Meadox Medicals, Inc. Extrusion process for manufacturing PTFE products
US6530765B1 (en) 1994-03-10 2003-03-11 Meadox Medicals, Inc. Apparatus for manufacturing expanded polytetrafluoroethylene products
EP0758953B1 (en) 1994-05-06 2004-03-03 IMPRA, INC., a subsidiary of C.R. BARD, INC. Assembly for treating a body vessel
ATE240694T1 (de) * 1994-06-13 2003-06-15 Endomed Inc Expandierbares endovaskuläres transplantat und verfahren zu seiner herstellung
CA2193983C (en) * 1994-06-27 2005-07-26 William M. Colone Radially expandable polytetrafluoroethylene and expandable endovascular stents formed therewith
SE523785C2 (sv) 1995-02-07 2004-05-18 Plastech Aps Metod och anordning för att framställa en rörformad behållare med tillslutningsorgan
DE69635112T2 (de) * 1995-07-07 2006-05-18 W.L. Gore & Associates, Inc., Newark Innenbeschichtung für rohre und blutgefässe
US6428571B1 (en) 1996-01-22 2002-08-06 Scimed Life Systems, Inc. Self-sealing PTFE vascular graft and manufacturing methods
US5800512A (en) * 1996-01-22 1998-09-01 Meadox Medicals, Inc. PTFE vascular graft
JP2001513460A (ja) 1997-08-07 2001-09-04 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ペースト押出方法
US6174473B1 (en) 1998-07-27 2001-01-16 E.I. Du Pont De Nemours And Company Paste extrusion method
JP3840569B2 (ja) 1997-08-21 2006-11-01 ダイキン工業株式会社 ポリテトラフルオロエチレンチューブ及びそのための押出機
US6383427B2 (en) 1997-12-24 2002-05-07 Asahi Glass Company, Ltd. Process for producing an electric double layer capacitor electrode
US6517571B1 (en) 1999-01-22 2003-02-11 Gore Enterprise Holdings, Inc. Vascular graft with improved flow surfaces
US6616876B1 (en) * 2000-10-03 2003-09-09 Atrium Medical Corporation Method for treating expandable polymer materials
US6923927B2 (en) * 2000-10-03 2005-08-02 Atrium Medical Corporation Method for forming expandable polymers having drugs or agents included therewith
JP4215505B2 (ja) * 2000-11-22 2009-01-28 バード・ペリフェラル・バスキュラー・インコーポレーテッド 高密度微小壁の発泡ポリテトラフルオロエチレン管状構造体
US7597775B2 (en) * 2001-10-30 2009-10-06 Boston Scientific Scimed, Inc. Green fluoropolymer tube and endovascular prosthesis formed using same
US6814561B2 (en) * 2001-10-30 2004-11-09 Scimed Life Systems, Inc. Apparatus and method for extrusion of thin-walled tubes
AU2002225660A1 (en) * 2001-11-21 2003-06-10 Atrium Medical Corporation Method for treating expandable polymer materials and products produced therefrom
US7789908B2 (en) * 2002-06-25 2010-09-07 Boston Scientific Scimed, Inc. Elastomerically impregnated ePTFE to enhance stretch and recovery properties for vascular grafts and coverings
US20050055085A1 (en) * 2003-09-04 2005-03-10 Rivron Nicolas C. Implantable medical devices having recesses
US7759120B2 (en) * 2005-03-02 2010-07-20 Kps Bay Medical, Inc. Seeding implantable medical devices with cells
US20060199265A1 (en) * 2005-03-02 2006-09-07 Wolf Michael F Seeding implantable medical devices with cells
CN101193954B (zh) 2005-05-12 2011-08-10 日东电工株式会社 聚四氟乙烯粒子凝集物的制造方法及聚四氟乙烯成形体的制造方法
CN101437877B (zh) * 2006-05-01 2011-12-07 日东电工株式会社 聚四氟乙烯片材的制造方法及聚四氟乙烯制密封带的制造方法
US8087923B1 (en) 2007-05-18 2012-01-03 C. R. Bard, Inc. Extremely thin-walled ePTFE
AU2011221916B2 (en) 2010-03-04 2015-07-23 Sekisui Chemical Co., Ltd. Polymer membrane for water treatment and method for manufacture of same, and water treatment method
CN101961609B (zh) * 2010-10-15 2013-02-06 浙江理工大学 一种聚四氟乙烯中空纤维拉伸装置
JP5960401B2 (ja) * 2011-09-02 2016-08-02 積水化学工業株式会社 水処理装置及び水処理方法
US9814560B2 (en) * 2013-12-05 2017-11-14 W. L. Gore & Associates, Inc. Tapered implantable device and methods for making such devices
BR112017025950A2 (pt) 2015-06-05 2018-08-14 W. L. Gore & Associates, Inc. ?prótese implantável de baixo sangramento com um afunilador?

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US2985918A (en) * 1959-01-20 1961-05-30 Raybestos Manhattan Inc Method for forming shaped lengths of tetrafluoroethylene polymers having a cellular structure
US3085290A (en) * 1959-12-09 1963-04-16 Resistoflex Corp Method and apparatus for producing large diameter thin wall tubing of polytetrafluoroethylene
US3054761A (en) * 1960-06-22 1962-09-18 Raybestos Manhattan Inc Extrudable composition comprising tetrafluoroethylene, methyl methacrylate, and a volatile organic lubricant
US3170858A (en) * 1962-07-20 1965-02-23 Dow Chemical Co Process for making tetrafluoroethylene polymers
US3356108A (en) * 1963-02-26 1967-12-05 Texas Instruments Inc Composite tubular articles and method of making same
US3295166A (en) * 1963-07-24 1967-01-03 Du Pont Apparatus for extruding polytetrafluoroethylene tubing and wire coating
US3629383A (en) * 1963-10-14 1971-12-21 Yutaka Kometani Process for making paper and airpervious cardboard or boardlike structures predominantly of polytetrafluoroethylene
US3281511A (en) * 1964-05-15 1966-10-25 Gen Plastics Corp Method of preparing microporous tetrafluoroethylene resin sheets
US3518332A (en) * 1967-11-22 1970-06-30 Esb Inc Method for making thin,microporous fluorocarbon polymer sheet material
US3962153A (en) * 1970-05-21 1976-06-08 W. L. Gore & Associates, Inc. Very highly stretched polytetrafluoroethylene and process therefor
CA962021A (en) * 1970-05-21 1975-02-04 Robert W. Gore Porous products and process therefor
CA980967A (en) * 1971-02-03 1976-01-06 Takayuki Katto Process for producing porous articles of polytetrafluoroethylene
FR2194545B1 (cg-RX-API-DMAC7.html) * 1972-08-01 1976-01-23 Viennot Pierre Fr
US4049589A (en) * 1973-03-19 1977-09-20 Sumitomo Electric Industries, Ltd. Porous films of polytetrafluoroethylene and process for producing said films
JPS5087454A (cg-RX-API-DMAC7.html) * 1973-12-08 1975-07-14

Also Published As

Publication number Publication date
DE2740759A1 (de) 1978-03-30
US4177334A (en) 1979-12-04
JPS5334868A (en) 1978-03-31
US4250138A (en) 1981-02-10
JPS6154578B2 (cg-RX-API-DMAC7.html) 1986-11-22
GB1590275A (en) 1981-05-28
CA1099463A (en) 1981-04-21
DE2740759B2 (de) 1978-11-30
DE2740759C3 (de) 1979-07-26
FR2364107A1 (fr) 1978-04-07

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