FR87977E - Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau - Google Patents

Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau

Info

Publication number
FR87977E
FR87977E FR12247A FR12247A FR87977E FR 87977 E FR87977 E FR 87977E FR 12247 A FR12247 A FR 12247A FR 12247 A FR12247 A FR 12247A FR 87977 E FR87977 E FR 87977E
Authority
FR
France
Prior art keywords
skin
manufacturing process
molded plastic
plastic foam
foam parts
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
Application number
FR12247A
Other languages
English (en)
Inventor
Georges Gonzalez
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.)
QUILLERY
Original Assignee
QUILLERY
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=27444353&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR87977(E) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to IT728734D priority Critical patent/IT728734A/it
Priority to FR983926A priority patent/FR1448751A/fr
Application filed by QUILLERY filed Critical QUILLERY
Priority to FR12247A priority patent/FR87977E/fr
Priority to FR12248A priority patent/FR1440710A/fr
Priority to BE666674D priority patent/BE666674A/xx
Priority to BE666673D priority patent/BE666673A/xx
Priority to CH969465A priority patent/CH471185A/fr
Priority to CH969365A priority patent/CH476050A/fr
Priority to GB3094965A priority patent/GB1120425A/en
Priority to DE1965S0098413 priority patent/DE1569421B2/de
Priority to NL6509819A priority patent/NL153231B/xx
Priority to NL6509855A priority patent/NL6509855A/xx
Priority to ES0316001A priority patent/ES316001A1/es
Priority to GB3795165A priority patent/GB1124827A/en
Priority to DE19651480088 priority patent/DE1480088A1/de
Priority to FR51617A priority patent/FR1482031A/fr
Publication of FR87977E publication Critical patent/FR87977E/fr
Application granted granted Critical
Priority to NL6702728A priority patent/NL6702728A/xx
Priority to GB915567A priority patent/GB1183224A/en
Priority to BE694691D priority patent/BE694691A/xx
Priority to CH302567A priority patent/CH476067A/fr
Priority to DE19671745373 priority patent/DE1745373A1/de
Priority to JP1287867A priority patent/JPS5521045B1/ja
Priority to ES337478A priority patent/ES337478A1/es
Priority to US3523918D priority patent/US3523918A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3802—Low-molecular-weight compounds having heteroatoms other than oxygen having halogens
    • C08G18/3814—Polyamines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0033—Foam properties having integral skins
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/14—Plastic and nonmetallic article shaping or treating: processes forming integral skin on a foamed product
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
    • Y10T428/249989—Integrally formed skin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Materials For Medical Uses (AREA)
FR12247A 1964-07-31 1965-04-07 Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau Expired FR87977E (fr)

Priority Applications (24)

Application Number Priority Date Filing Date Title
IT728734D IT728734A (fr) 1964-07-31
FR983926A FR1448751A (fr) 1964-07-31 1964-07-31 Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau
FR12247A FR87977E (fr) 1964-07-31 1965-04-07 Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau
FR12248A FR1440710A (fr) 1964-07-31 1965-04-07 Nouveau produit élastomère expansé
BE666674D BE666674A (fr) 1964-07-31 1965-07-09
BE666673D BE666673A (fr) 1964-07-31 1965-07-09
CH969465A CH471185A (fr) 1964-07-31 1965-07-12 Procédé de fabrication de pièces moulées en mousse plastique de polyuréthane recouverte d'une couche superficielle continue
CH969365A CH476050A (fr) 1964-07-31 1965-07-12 Produit souple et élastique à base de polyuréthanes
GB3094965A GB1120425A (en) 1964-07-31 1965-07-21 Process for the production from polyurethane plastic foam of mouldings covered with a continuous surface coating
DE1965S0098413 DE1569421B2 (de) 1964-07-31 1965-07-24 Verfahren zur herstellung biegsamer, elastischer form- oder presstoffteile auf basis von polyurethanschaumstoffen
NL6509819A NL153231B (nl) 1964-07-31 1965-07-29 Werkwijze voor de vervaardiging van voorwerpen uit polyurethanschuim.
NL6509855A NL6509855A (fr) 1964-07-31 1965-07-29
ES0316001A ES316001A1 (es) 1964-07-31 1965-07-30 Procedimiento de fabricacion de piezas moldeadas de espuma plastica de poliuretano, recubiertas por una capa superficial continua.
GB3795165A GB1124827A (en) 1964-07-31 1965-09-06 Expanded polyurethanes
DE19651480088 DE1480088A1 (de) 1964-07-31 1965-09-10 Elastomerer Schaumstoff aus Polyurethanen
FR51617A FR1482031A (fr) 1964-07-31 1966-03-02 Procédé de fabrication de pièces moulées en mousse plastique de polyuréthane à couche superficielle non alvéolaire
NL6702728A NL6702728A (fr) 1964-07-31 1967-02-22
GB915567A GB1183224A (en) 1964-07-31 1967-02-27 Improvements in or relating to a Method of Making Moulded Polyurethane Foam having a Non-Cellular Surface Layer
BE694691D BE694691A (fr) 1964-07-31 1967-02-27
CH302567A CH476067A (fr) 1964-07-31 1967-03-01 Procédé de fabrication de pièces moulées en mousse plastique de polyuréthane à couche superficielle non alvéolaire
ES337478A ES337478A1 (es) 1964-07-31 1967-03-02 Procedimiento de fabricacion de piezas moldeadas en espuma plastica de poliuretano, con capa superficial no alveolar.
JP1287867A JPS5521045B1 (fr) 1964-07-31 1967-03-02
DE19671745373 DE1745373A1 (de) 1964-07-31 1967-03-02 Verfahren zur Herstellung von Pressteilen aus Polyurethan-Schaumstoff mit einer dichten Oberflaechenschicht
US3523918D US3523918A (en) 1964-07-31 1968-02-12 Method of fabrication of molded parts of polyurethane foam having a non-cellular surface layer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR983926A FR1448751A (fr) 1964-07-31 1964-07-31 Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau
FR12248A FR1440710A (fr) 1964-07-31 1965-04-07 Nouveau produit élastomère expansé
FR12247A FR87977E (fr) 1964-07-31 1965-04-07 Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau
FR51617A FR1482031A (fr) 1964-07-31 1966-03-02 Procédé de fabrication de pièces moulées en mousse plastique de polyuréthane à couche superficielle non alvéolaire

Publications (1)

Publication Number Publication Date
FR87977E true FR87977E (fr) 1966-04-29

Family

ID=27444353

Family Applications (4)

Application Number Title Priority Date Filing Date
FR983926A Expired FR1448751A (fr) 1964-07-31 1964-07-31 Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau
FR12248A Expired FR1440710A (fr) 1964-07-31 1965-04-07 Nouveau produit élastomère expansé
FR12247A Expired FR87977E (fr) 1964-07-31 1965-04-07 Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau
FR51617A Expired FR1482031A (fr) 1964-07-31 1966-03-02 Procédé de fabrication de pièces moulées en mousse plastique de polyuréthane à couche superficielle non alvéolaire

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR983926A Expired FR1448751A (fr) 1964-07-31 1964-07-31 Procédé de fabrication de pièces moulées en mousse plastique recouverte d'une peau
FR12248A Expired FR1440710A (fr) 1964-07-31 1965-04-07 Nouveau produit élastomère expansé

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR51617A Expired FR1482031A (fr) 1964-07-31 1966-03-02 Procédé de fabrication de pièces moulées en mousse plastique de polyuréthane à couche superficielle non alvéolaire

Country Status (10)

Country Link
US (1) US3523918A (fr)
JP (1) JPS5521045B1 (fr)
BE (3) BE666673A (fr)
CH (3) CH471185A (fr)
DE (3) DE1569421B2 (fr)
ES (1) ES337478A1 (fr)
FR (4) FR1448751A (fr)
GB (3) GB1120425A (fr)
IT (1) IT728734A (fr)
NL (3) NL6509855A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1953637A1 (de) * 1969-10-24 1971-04-29 Bayer Ag Verfahren zur Herstellung von Schaumstoffen

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5038679B1 (fr) * 1968-10-30 1975-12-11
JPS5234679B1 (fr) * 1969-04-01 1977-09-05
US3931381A (en) * 1970-09-04 1976-01-06 The General Tire & Rubber Company Mold release method for polyurethane integral-skin foam
JPS518422B2 (fr) * 1971-12-18 1976-03-16
CA984127A (en) * 1972-07-11 1976-02-24 William A. Rowland Coffin kit and method of making coffins
US3856718A (en) * 1972-09-18 1974-12-24 Allied Chem Molded flexible polyurethane foams
US3882054A (en) * 1973-02-06 1975-05-06 Iprc Corp Method for manufacturing flexible, vapor-permeable, hydrolysis-stable polyurethane elastomers and the products produced therefrom
US3925266A (en) * 1973-06-18 1975-12-09 Gen Tire & Rubber Co Flexible polyetherurethane foams with improved resilience
CA1015099A (en) * 1973-08-07 1977-08-02 Union Carbide Corporation Polyurethanes and method of production
FR2301554A1 (fr) * 1975-02-18 1976-09-17 Peugeot & Renault Procede de moulage de matieres synthetiques
DE2513817C3 (de) * 1975-03-27 1986-11-13 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Schaumstoff-Formkörpern kompakter Randzone und zelligem Kern
US4125660A (en) * 1976-12-17 1978-11-14 The Goodyear Tire & Rubber Company Zero pressure device such as tires or run-flat rings
DE2914134A1 (de) * 1979-04-07 1980-10-23 Bayer Ag Verfahren zur herstellung von polyurethan-schaumstoffen
DE3113690A1 (de) * 1981-04-04 1982-10-28 Elastogran GmbH, 2844 Lemförde "verfahren zur herstellung von geschlossenzelligen polyurethan-formteilen mit einer verdichteten randzone"
US4588542A (en) * 1981-05-04 1986-05-13 G. P. Plastics, Inc. Bicycle wheel assembly
DE3278636D1 (en) * 1981-11-20 1988-07-14 Hitachi Ltd Heat-insulating moulding and process for preparing the same
US4433067A (en) * 1982-04-23 1984-02-21 Texaco Inc. Reaction injection molded elastomers prepared from amine terminated polyethers, amine terminated chain extender and aromatic polyisocyanate
US4444910A (en) * 1982-04-23 1984-04-24 Texaco Inc. Reaction injection molded elastomers made using a polyurethane organometallic catalyst amine terminated polyethers amine terminated chain extender and aromatic polyisocyanate
US4420570A (en) * 1982-09-13 1983-12-13 Texaco Inc. Reaction injection molded elastomer containing an internal mold release made by a two-stream system
US4582887A (en) * 1984-08-30 1986-04-15 Texaco Inc. Reaction injection molded elastomers
US4607090A (en) * 1984-08-30 1986-08-19 Texaco Inc. Reaction injection molded elastomers
US4585850A (en) * 1984-08-30 1986-04-29 Texaco Inc. Flakeglass with sizing, amino, chloro, isocyanate agents coated directly onto the glass in RRIM elastomers
US4716193A (en) * 1986-08-04 1987-12-29 Texaco, Inc. Reactive glass component in rim
US4806615A (en) * 1987-06-01 1989-02-21 Texaco Inc. Reaction injection molded elastomers prepared from amine terminated polyethers, a blend of an aromatic amine terminated chain extender, a substituted acyclic aliphatic amine terminated chain extender and an aromatic polyisocyanate
NZ231430A (en) * 1988-11-25 1991-08-27 Ici Plc Preparation of polyurethane foams which includes the use of an amino chain extender and a mixture of at least two other chain extenders
JPH0332811A (ja) * 1989-06-30 1991-02-13 Tokyo Seat Kk ウレタンフォーム成形品の製造方法
US5166183A (en) * 1991-04-16 1992-11-24 Miles Inc. Water-blown integral skin polyurethane foams
JPH04325533A (ja) * 1991-04-25 1992-11-13 Toyoda Gosei Co Ltd インテグラルスキンフォーム成形品
JPH05301009A (ja) * 1992-04-23 1993-11-16 Masao Kani 集塵装置
CA2164913A1 (fr) * 1995-01-10 1996-07-11 Carl H. Amstone Methode de preparation de produits moules a base de polyurethane
EP0866818B1 (fr) * 1995-12-12 1999-05-26 Lonza A.G. Elastomeres polyurethane cellulaires
US5889068A (en) * 1997-07-24 1999-03-30 Bayer Corporation Water blown polyurethane soling systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108976A (en) * 1960-06-10 1963-10-29 Du Pont Preparation of a cured polyurethane cellular material
US3099516A (en) * 1960-08-29 1963-07-30 Philco Corp Method of molding a foam plastic having skins on selected surface portions
US3133978A (en) * 1962-08-31 1964-05-19 Haveg Industries Inc Process for forming foamed polyurethane using a silicone elastomer containing mold
US3296156A (en) * 1962-10-01 1967-01-03 Goodyear Tire & Rubber 2-amino-2-methyl-propanol crosslinking agent for polyurethane process and product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1953637A1 (de) * 1969-10-24 1971-04-29 Bayer Ag Verfahren zur Herstellung von Schaumstoffen

Also Published As

Publication number Publication date
BE694691A (fr) 1967-07-31
IT728734A (fr) 1900-01-01
US3523918A (en) 1970-08-11
NL6702728A (fr) 1967-09-04
JPS5521045B1 (fr) 1980-06-06
BE666674A (fr) 1965-11-03
GB1120425A (en) 1968-07-17
CH471185A (fr) 1969-04-15
CH476067A (fr) 1969-07-31
DE1745373A1 (de) 1971-04-08
NL6509855A (fr) 1966-02-01
GB1183224A (en) 1970-03-04
DE1480088A1 (de) 1970-12-23
FR1482031A (fr) 1967-05-26
DE1569421A1 (de) 1970-05-06
FR1440710A (fr) 1966-06-03
ES337478A1 (es) 1968-03-01
DE1569421B2 (de) 1976-05-13
BE666673A (fr) 1965-11-03
NL6509819A (fr) 1966-02-01
FR1448751A (fr) 1966-03-18
NL153231B (nl) 1977-05-16
CH476050A (fr) 1969-07-31
GB1124827A (en) 1968-08-21

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