CH453826A - Thermal insulation device - Google Patents

Thermal insulation device

Info

Publication number
CH453826A
CH453826A CH1779465A CH1779465A CH453826A CH 453826 A CH453826 A CH 453826A CH 1779465 A CH1779465 A CH 1779465A CH 1779465 A CH1779465 A CH 1779465A CH 453826 A CH453826 A CH 453826A
Authority
CH
Switzerland
Prior art keywords
polycarbonate
thermal insulation
insulation device
sub
dimensions
Prior art date
Application number
CH1779465A
Other languages
French (fr)
Inventor
Royet Jean
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of CH453826A publication Critical patent/CH453826A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K11/00—Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24—Securing ends of binding material
    • B65B13/26—Securing ends of binding material by knotting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/28—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with resilient valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/08—Means for preventing radiation, e.g. with metal foil
    • 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
    • F17C11/00—Use of gas-solvents or gas-sorbents in vessels
    • 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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • 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
    • F17C3/085—Cryostats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/06—Casings; Jackets
    • G21C3/10—End closures ; Means for tight mounting therefor
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/06—Structural combination with remotely-controlled apparatus, e.g. with manipulators
    • G21F7/067—Transferring devices within cells or boxes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • 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
    • 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
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • 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
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • F25D2201/128—Insulation with respect to heat using an insulating packing material of foil type
    • F25D2201/1282—Insulation with respect to heat using an insulating packing material of foil type with reflective foils
    • 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
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors
    • 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
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/8215—Microorganisms
    • Y10S435/911—Microorganisms using fungi
    • Y10S435/932—Paecilomyces
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24281—Struck out portion type
    • Y10T428/24289—Embedded or interlocked
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Description

  

  <B>Dispositif d'isolation</B>     thermique       Le brevet principal a pour objet un dispositif d'isola  tion thermique, utilisable notamment dans une enceinte  sous vide située entre des parois à isoler thermiquement,  constitué par un matériau plastique métallisé qui est dis  posé sous forme de plusieurs éléments, lesquels présen  tent entre eux des contacts ponctuels, de façon à ména  ger des espaces non conducteurs de la chaleur.  



  La présente invention a     pour    objet un dispositif  d'isolation thermique tel que défini ci-dessus et carac  térisé en ce que le matériau plastique métallisé est un  polycarbonate, par exemple du polycarbonate de     diphé-          nol.     



  La description qui suit expose, à titre d'exemple non  limitatif, des formes d'exécution particulières du dispo  sitif faisant l'objet de l'invention.  



  Dans une forme d'exécution particulière décrite au  brevet précité, le film plastique, notamment en     polytéré-          phtalate    d'éthylène, devait posséder une épaisseur com  prise entre 2 et 50 microns.  



  Dans une forme d'exécution du     dispositif    selon la  présente invention, il est     possible    d'utiliser un film  d'épaisseur plus faible lorsque celui-ci est constitué par  un polycarbonate, l'épaisseur minimale utilisable étant  de l'ordre de 0,5 micron.  



  Les polycarbonates présentent notamment sur les  matériaux du type polytéréphtalate d'éthylène les deux  avantages suivants  a) rigidité supérieure, ce qui     autorise    leur conditionne  ment en films plus minces.  



  b)     conductibilité    thermique plus faible.  



  Ces deux propriétés permettent, après mise en ouvre  selon les principes exposés dans le brevet précité, d'obte-    nir des valeurs de conductibilité thermique radiale extrê  mement faibles.  



  Lorsqu'il y a des reliefs imprimés dans le film, il y  lieu d'adapter leurs dimensions aux épaisseurs moindres  tolérées par l'emploi de polycarbonates.  



  On peut par exemple utiliser des films de     polycar-          bonate    présentant des éléments imprimés, du type pyra  mides ou cônes dont les dimensions sont de l'ordre du  dixième de millimètre.



  <B> Thermal insulation device </B> The main patent relates to a thermal insulation device, usable in particular in a vacuum chamber located between walls to be thermally insulated, consisting of a metallized plastic material which is dis laid in the form of several elements, which present point contacts between them, so as to create spaces which do not conduct heat.



  The present invention relates to a thermal insulation device as defined above and characterized in that the metallized plastic material is a polycarbonate, for example polycarbonate of diphenol.



  The following description sets forth, by way of nonlimiting example, particular embodiments of the device forming the subject of the invention.



  In a particular embodiment described in the aforementioned patent, the plastic film, in particular made of polyethylene terephthalate, had to have a thickness of between 2 and 50 microns.



  In one embodiment of the device according to the present invention, it is possible to use a film of smaller thickness when the latter consists of a polycarbonate, the minimum usable thickness being of the order of 0.5 micron.



  Polycarbonates exhibit, in particular, over materials of the polyethylene terephthalate type, the following two advantages: a) greater rigidity, which allows them to be packaged in thinner films.



  b) lower thermal conductivity.



  These two properties make it possible, after implementation according to the principles set out in the aforementioned patent, to obtain extremely low values of radial thermal conductivity.



  When there are reliefs printed in the film, their dimensions should be adapted to the lower thicknesses tolerated by the use of polycarbonates.



  It is possible, for example, to use polycarbonate films having printed elements, of the pyramid or cone type, the dimensions of which are of the order of a tenth of a millimeter.

Claims (1)

REVENDICATION Dispositif d'isolation thermique selon la revendica tion du brevet principal, caractérisé en ce que ledit maté riau plastique métallisé est constitué par un polycarbo- nate. SOUS-REVENDICATIONS 1. Dispositif selon la revendication, caractérisé en ce que chaque élément est constitué par une feuille de poly- carbonate présentant une épaisseur supérieure ou égale à 0,5 micron. 2. CLAIM Thermal insulation device according to the claim of the main patent, characterized in that the said metallized plastic material consists of a polycarbonate. SUB-CLAIMS 1. Device according to claim, characterized in that each element consists of a polycarbonate sheet having a thickness greater than or equal to 0.5 microns. 2. Dispositif selon la sous-revendication 1, caractérisé en ce que des reliefs sont imprimés sur la feuille de poly- carbonate et présentent des dimensions de l'ordre du dixième de millimètre. 3. Dispositif selon la revendication ou l'une des sous- revendications 1 et 2, caractérisé en ce que le polycarbo- nate est du polycarbonate de diphénol. Device according to sub-claim 1, characterized in that reliefs are printed on the polycarbonate sheet and have dimensions of the order of a tenth of a millimeter. 3. Device according to claim or one of sub-claims 1 and 2, characterized in that the polycarbonate is diphenol polycarbonate.
CH1779465A 1963-09-18 1965-12-23 Thermal insulation device CH453826A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR947900A FR1378150A (en) 1963-09-18 1963-09-18 Thermal insulation device
FR983456A FR86199E (en) 1963-09-18 1964-07-29 Thermal insulation device
CH1100864A CH431213A (en) 1963-09-18 1964-08-21 Thermal insulation device
FR9009A FR87548E (en) 1963-09-18 1965-03-12 Thermal insulation device

Publications (1)

Publication Number Publication Date
CH453826A true CH453826A (en) 1968-03-31

Family

ID=51952105

Family Applications (3)

Application Number Title Priority Date Filing Date
CH1864166A CH435892A (en) 1963-09-18 1964-08-21 Thermal insulation device
CH1100864A CH431213A (en) 1963-09-18 1964-08-21 Thermal insulation device
CH1779465A CH453826A (en) 1963-09-18 1965-12-23 Thermal insulation device

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CH1864166A CH435892A (en) 1963-09-18 1964-08-21 Thermal insulation device
CH1100864A CH431213A (en) 1963-09-18 1964-08-21 Thermal insulation device

Country Status (9)

Country Link
US (1) US3354021A (en)
BE (2) BE651986A (en)
CH (3) CH435892A (en)
DE (2) DE1450940A1 (en)
FR (3) FR1378150A (en)
GB (2) GB1072806A (en)
LU (2) LU46801A1 (en)
NL (2) NL6410760A (en)
SE (2) SE309886B (en)

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Publication number Priority date Publication date Assignee Title
US1914207A (en) * 1931-03-09 1933-06-13 Gen Electric Heat insulator
GB419637A (en) * 1933-03-01 1934-11-15 Munters Carl Georg Improvements in heat insulation
US2179057A (en) * 1937-05-03 1939-11-07 United States Gypsum Co Heat insulation
US3009601A (en) * 1959-07-02 1961-11-21 Union Carbide Corp Thermal insulation
US3190412A (en) * 1960-05-25 1965-06-22 Johns Manville All-metallic insulation
US3152033A (en) * 1960-06-17 1964-10-06 Little Inc A Insulating assembly

Also Published As

Publication number Publication date
GB1072806A (en) 1967-06-21
DE1500676A1 (en) 1969-03-06
FR87548E (en) 1966-06-24
CH435892A (en) 1967-05-15
BE677539A (en) 1966-09-09
LU50607A1 (en) 1967-09-11
NL6602910A (en) 1966-09-13
SE334783B (en) 1971-05-03
CH431213A (en) 1967-02-28
SE309886B (en) 1969-04-08
US3354021A (en) 1967-11-21
BE651986A (en) 1965-02-19
DE1450940A1 (en) 1969-04-17
FR86199E (en) 1965-12-24
GB1099445A (en) 1968-01-17
LU46801A1 (en) 1966-02-22
FR1378150A (en) 1964-11-13
NL6410760A (en) 1965-03-19

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