FR2416178B1 - - Google Patents

Info

Publication number
FR2416178B1
FR2416178B1 FR7828953A FR7828953A FR2416178B1 FR 2416178 B1 FR2416178 B1 FR 2416178B1 FR 7828953 A FR7828953 A FR 7828953A FR 7828953 A FR7828953 A FR 7828953A FR 2416178 B1 FR2416178 B1 FR 2416178B1
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
FR7828953A
Other languages
French (fr)
Other versions
FR2416178A1 (e
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.)
Japan Oxygen Co Ltd
Nippon Sanso Corp
Original Assignee
Japan Oxygen Co Ltd
Nippon Sanso Corp
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
Priority claimed from JP53011282A external-priority patent/JPS6029876B2/ja
Priority claimed from JP1128178A external-priority patent/JPS6046319B2/ja
Application filed by Japan Oxygen Co Ltd, Nippon Sanso Corp filed Critical Japan Oxygen Co Ltd
Publication of FR2416178A1 publication Critical patent/FR2416178A1/fr
Application granted granted Critical
Publication of FR2416178B1 publication Critical patent/FR2416178B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
    • C04B41/5089—Silica sols, alkyl, ammonium or alkali metal silicate cements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0128—Shape spherical or elliptical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0308—Radiation shield
    • F17C2203/032—Multi-sheet layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0391—Thermal insulations by vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0607—Coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/011—Oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/024—Improving metering
    • 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
    • Y10S220/00—Receptacles
    • Y10S220/901—Liquified gas content, cryogenic
    • 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
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/231—Filled with gas other than air; or under vacuum
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
    • Y10T428/24537—Parallel ribs and/or grooves
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • 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
    • Y10T428/24999—Inorganic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Insulation (AREA)
  • Packages (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Building Environments (AREA)
FR7828953A 1978-02-03 1978-10-05 Expired FR2416178B1 (e)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP53011282A JPS6029876B2 (ja) 1978-02-03 1978-02-03 断熱槽
JP1128178A JPS6046319B2 (ja) 1978-02-03 1978-02-03 真空断熱容器用支持材

Publications (2)

Publication Number Publication Date
FR2416178A1 FR2416178A1 (e) 1979-08-31
FR2416178B1 true FR2416178B1 (e) 1984-11-16

Family

ID=26346688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7828953A Expired FR2416178B1 (e) 1978-02-03 1978-10-05

Country Status (4)

Country Link
US (1) US4269323A (e)
DE (1) DE2843314C2 (e)
FR (1) FR2416178B1 (e)
GB (1) GB2013859B (e)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3418637A1 (de) * 1984-05-18 1985-11-21 Wacker-Chemie GmbH, 8000 München Waermedaemmformkoerper mit umhuellung
DE3580837D1 (de) * 1984-12-04 1991-01-17 Nippon Oxygen Co Ltd Vakuumwaermeisolierungselement.
US4730748A (en) * 1986-03-11 1988-03-15 William Bane Reusable insulated box
DE8808197U1 (de) * 1988-06-25 1989-10-26 Umformtechnik Hausach GmbH, 7613 Hausach Doppelwandiger Kühlcontainer mit einer eingeschäumten Isolierung
US5362541A (en) * 1988-08-24 1994-11-08 Degussa Aktiengesellschaft Shaped articles for heat insulation
DE3940649A1 (de) * 1989-12-08 1991-06-13 Asea Brown Boveri Waermeisolationseinrichtung
JP2694576B2 (ja) 1992-06-08 1997-12-24 サエス ゲッタース ソチエタ ペル アツィオニ 熱絶縁性ジャケット，詳細にはジュワーまたは他の極低温装置のジャケットを排気するための改善されたプロセス
US5866228A (en) * 1993-11-22 1999-02-02 Mitsubishi Chemical Corporation Vacuum heat-insulator
US5441170A (en) * 1994-02-16 1995-08-15 Bane, Iii; William W. Shipping container with multiple insulated compartments
US5979693A (en) * 1997-12-29 1999-11-09 Bane, Iii; William W. Panel for shipping containers
US6967051B1 (en) 1999-04-29 2005-11-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Thermal insulation systems
ITTO20030184A1 (it) * 2003-03-12 2004-09-13 Sista Evoluzione Srl Motore (pneumatico) per autoveicoli sistema di
JP2008105748A (ja) 2006-09-28 2008-05-08 Nichias Corp 断熱容器及びその製造方法
US8807382B1 (en) * 2009-04-01 2014-08-19 Sierra Lobo, Inc. Storage system having flexible vacuum jacket
FI20150053A (fi) * 2014-05-06 2015-11-07 Lngtainer Ltd Eristysjärjestelmä kryogeenisia nesteitä ja kaasuja varten

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2012617A (en) * 1931-03-03 1935-08-27 Munters Carl Georg Heat insulation
US2301483A (en) * 1939-11-03 1942-11-10 Gerrit Van Daam Airplane fuel tank safety device
US2540354A (en) * 1946-04-23 1951-02-06 Owens Illinois Glass Co Method of making porous bodies
GB702057A (en) * 1950-10-18 1954-01-06 Owens Illinois Glass Co Improvements in and relating to hydrous silicate solids
US2748008A (en) * 1952-04-03 1956-05-29 Owens Illinois Glass Co Method of making porous calcium silicate products
US2927437A (en) * 1954-09-20 1960-03-08 Garrett Corp Tank for storing low temperature liquids in ambient surroundings
US2969092A (en) * 1955-10-21 1961-01-24 Herrick L Johnston Inc Method and apparatus for containing a liquified gas
US2961116A (en) * 1956-01-03 1960-11-22 Applied Radiation Corp Thermally insulated wall structure
US2980972A (en) * 1956-02-02 1961-04-25 Evans Prod Co Joint for low density laminated synthetic resin panels
US2989156A (en) * 1956-11-23 1961-06-20 Whirlpool Co Heat insulating panels
US2874865A (en) * 1957-01-23 1959-02-24 Union Carbide Corp Double-walled container with base
US3016317A (en) * 1957-06-21 1962-01-09 Brunner Emil Resilient mat
NL255383A (e) * 1959-08-31 1900-01-01 Union Carbide Corp
DE1154752B (de) * 1960-03-03 1963-09-19 Wasagchemie Ag Verfahren zur Herstellung von glasartigen poroesen Formkoerpern
US3150793A (en) * 1961-01-23 1964-09-29 Conch Int Methane Ltd Membrane-type insulated tanks
BE638959A (e) * 1962-10-24 1964-02-17
FR1358446A (fr) * 1963-02-08 1964-04-17 Air Liquide Procédé de fabrication d'une masse silico-calcaire à haute porosité
NL297976A (e) * 1963-05-06
US3317643A (en) * 1965-09-03 1967-05-02 Owens Corning Fiberglass Corp Producing high temperature calcium silicates
US3451841A (en) * 1965-10-22 1969-06-24 Gen Motors Corp Ceramic foam
US3496058A (en) * 1966-11-07 1970-02-17 Kaiser Aluminium Chem Corp Metallic foam laminate
US3489311A (en) * 1967-05-25 1970-01-13 Aerojet General Co Tanks for storage of liquefied gas
US3679446A (en) * 1968-06-04 1972-07-25 Osaka Packing Molding materials of calcium silicate hydrate and shaped products thereof
YU33442B (en) * 1969-02-18 1977-02-28 Wasagchemie Ag Process for preparing a lightweight thermal insulator from lime and silicates
DE2117375A1 (de) * 1970-04-28 1971-12-09 Agency Of Industrial Science & Technology, Tokio Verfahren zur Herstellung von leichtem Calciumsilikatmaterial
US3655086A (en) * 1970-10-09 1972-04-11 Cryotan Inc Receptacles for the storage of liquefied gases at cryogenic temperatures
US3765558A (en) * 1971-01-04 1973-10-16 Arctic Tanker Group Inc Cryogenic tank design and method of manufacture
AU5760173A (en) * 1972-09-05 1975-01-09 Frank Edward Mack Thermal insulation
PL83960B1 (e) * 1973-05-30 1976-02-28
US3942331A (en) * 1974-07-08 1976-03-09 The Dow Chemical Company Cryogenic tank
US4015386A (en) * 1975-02-07 1977-04-05 Clark Door Company, Inc. Fire-retardant low temperature insulating building panel
DE2637011B2 (de) * 1976-08-17 1978-08-24 Hermann Etscheid Ohg, 5466 Neustadt Doppelwandiger Tank

Also Published As

Publication number Publication date
DE2843314C2 (de) 1985-05-02
FR2416178A1 (e) 1979-08-31
GB2013859B (en) 1982-06-03
GB2013859A (en) 1979-08-15
DE2843314A1 (de) 1979-08-09
US4269323A (en) 1981-05-26

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