FR1501741A - échangeur de chaleur pour transfert indirect de chaleur - Google Patents

échangeur de chaleur pour transfert indirect de chaleur

Info

Publication number
FR1501741A
FR1501741A FR61717A FR61717A FR1501741A FR 1501741 A FR1501741 A FR 1501741A FR 61717 A FR61717 A FR 61717A FR 61717 A FR61717 A FR 61717A FR 1501741 A FR1501741 A FR 1501741A
Authority
FR
France
Prior art keywords
heat exchanger
indirect
heat transfer
heat
transfer
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
FR61717A
Other languages
English (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.)
English Electric Co Ltd
Original Assignee
English Electric Co 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 English Electric Co Ltd filed Critical English Electric Co Ltd
Application granted granted Critical
Publication of FR1501741A publication Critical patent/FR1501741A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F28D7/1669—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/003—Phosphorus-containing compounds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/005—Halogen-containing compounds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • 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
    • C04B30/00—Compositions for artificial stone, not containing binders
    • C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
    • 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
    • C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/06—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium
    • F22B1/063—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium for metal cooled nuclear reactors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/06—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium
    • F22B1/063—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium for metal cooled nuclear reactors
    • F22B1/066—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium for metal cooled nuclear reactors with double-wall tubes having a third fluid between these walls, e.g. helium for leak detection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/44—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element and being formed of wire mesh
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/02—Fast fission reactors, i.e. reactors not using a moderator ; Metal cooled reactors; Fast breeders
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/02—Fast fission reactors, i.e. reactors not using a moderator ; Metal cooled reactors; Fast breeders
    • G21C1/022—Fast fission reactors, i.e. reactors not using a moderator ; Metal cooled reactors; Fast breeders characterised by the design or properties of the core
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/02—Fast fission reactors, i.e. reactors not using a moderator ; Metal cooled reactors; Fast breeders
    • G21C1/03—Fast fission reactors, i.e. reactors not using a moderator ; Metal cooled reactors; Fast breeders cooled by a coolant not essentially pressurised, e.g. pool-type reactors
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/32—Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core
    • G21C1/326—Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core wherein the heat exchanger is disposed next to or beside the core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0054—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for nuclear applications
    • 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
FR61717A 1965-05-21 1966-05-16 échangeur de chaleur pour transfert indirect de chaleur Expired FR1501741A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45779965A 1965-05-21 1965-05-21
GB22770/65A GB1140533A (en) 1965-05-21 1965-05-28 Liquid-metal cooled nuclear reactors
US50839165A 1965-11-17 1965-11-17

Publications (1)

Publication Number Publication Date
FR1501741A true FR1501741A (fr) 1967-11-18

Family

ID=27258137

Family Applications (1)

Application Number Title Priority Date Filing Date
FR61717A Expired FR1501741A (fr) 1965-05-21 1966-05-16 échangeur de chaleur pour transfert indirect de chaleur

Country Status (7)

Country Link
BE (2) BE681370A (fr)
CH (1) CH483865A (fr)
DE (1) DE1295461B (fr)
FR (1) FR1501741A (fr)
GB (2) GB1140533A (fr)
LU (1) LU51152A1 (fr)
NL (1) NL6606957A (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2825549A1 (de) * 1977-06-28 1979-01-11 Westinghouse Electric Corp Rohrbuendel-waermetauscher
FR2396261A1 (fr) * 1977-06-28 1979-01-26 Westinghouse Electric Corp Perfectionnements aux echangeurs de chaleur
FR2428303A2 (fr) * 1978-06-05 1980-01-04 Commissariat Energie Atomique Reacteur nucleaire refroidi par un metal liquide
EP0048873A2 (fr) * 1980-09-26 1982-04-07 LOROWERK K.H. Vahlbrauk GmbH Dispositif de transfert de chaleur
FR2498365A1 (fr) * 1981-01-20 1982-07-23 Commissariat Energie Atomique Reacteur nucleaire refroidi par un metal liquide et presentant une dalle epaisse munie de logements
EP0064920A1 (fr) * 1981-04-30 1982-11-17 Novatome Dispositif de production de vapeur et de prélèvement de chaleur dans un réacteur nucléaire à neutrons rapides
DE3128497A1 (de) * 1981-07-18 1983-02-03 Funke Wärmeaustauscher Apparatebau KG, 3212 Gronau "waermeaustauscher"
FR2557280A1 (fr) * 1983-12-21 1985-06-28 Commissariat Energie Atomique Generateur de vapeur sodium-eau a tubes concentriques droits et a circulation de gaz dans l'espace annulaire
EP0200989A2 (fr) * 1985-05-09 1986-11-12 Stone & Webster Engineering Corporation Générateur de vapeur à tubes doubles disposés en serpentin hélicoidal
FR2583865A1 (fr) * 1985-06-19 1986-12-26 Commissariat Energie Atomique Echangeur de chaleur a tubes en u coaxiaux a ecoulement intermediaire de gaz neutre et reacteur nucleaire a neutrons rapides comportant des echangeurs de ce type.
EP0228722A2 (fr) * 1985-12-26 1987-07-15 Stone & Webster Engineering Corporation Générateur de vapeur à tube double
DE3826072A1 (de) * 1987-08-13 1989-02-23 Doryokuro Kakunenryo Waermetauscher vom heizrohrtyp

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575457B2 (fr) * 1979-02-01 1987-02-13 Marchand Pierre Nouveau materiau a granulats legers
US4374202A (en) * 1980-12-23 1983-02-15 Rm Industrial Products Company, Inc. Ceramic fiber foam and method for making same
DE3210461C1 (de) * 1982-03-22 1983-04-21 B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg Umhuellungspapier fuer rauchbare Artikel
US4613627A (en) * 1982-12-13 1986-09-23 Usg Acoustical Products Company Process for the manufacture of shaped fibrous products and the resultant product
CN109705919A (zh) * 2019-03-06 2019-05-03 宁夏神耀科技有限责任公司 气化炉余热回收废锅机构
CN112212708A (zh) * 2020-09-23 2021-01-12 福建凯美特气体有限公司 一种二氧化碳液化装置及采用其生产二氧化碳的工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE928039C (de) * 1940-03-24 1955-05-23 Degussa Verfahren zur Herstellung von poroesen Isoliermaterialien
DE866024C (de) * 1950-10-26 1953-02-05 Rudolf Dr-Ing Schuh Verfahren zur Herstellung von hochporoesen Leichttonsteinen und feuerfesten Formkoerpern
DE881628C (de) * 1951-06-26 1953-07-02 Rudolf Dr-Ing Schuh Verfahren zur Herstellung von hochporoesen Leichttonsteinen und feuerfesten Formkoerpern

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2825549A1 (de) * 1977-06-28 1979-01-11 Westinghouse Electric Corp Rohrbuendel-waermetauscher
FR2396261A1 (fr) * 1977-06-28 1979-01-26 Westinghouse Electric Corp Perfectionnements aux echangeurs de chaleur
FR2428303A2 (fr) * 1978-06-05 1980-01-04 Commissariat Energie Atomique Reacteur nucleaire refroidi par un metal liquide
EP0048873A2 (fr) * 1980-09-26 1982-04-07 LOROWERK K.H. Vahlbrauk GmbH Dispositif de transfert de chaleur
EP0048873A3 (en) * 1980-09-26 1982-09-01 Lorowerk K.H. Vahlbrauk Gmbh Heat transfer device
FR2498365A1 (fr) * 1981-01-20 1982-07-23 Commissariat Energie Atomique Reacteur nucleaire refroidi par un metal liquide et presentant une dalle epaisse munie de logements
EP0058583A1 (fr) * 1981-01-20 1982-08-25 Commissariat à l'Energie Atomique Réacteur nucléaire refroidi par un métal liquide et présentant une dalle épaisse munie de logements
US4508678A (en) * 1981-01-20 1985-04-02 Commissariat A L'energie Atomique Liquid metal-cooled nuclear reactor
EP0064920A1 (fr) * 1981-04-30 1982-11-17 Novatome Dispositif de production de vapeur et de prélèvement de chaleur dans un réacteur nucléaire à neutrons rapides
DE3128497A1 (de) * 1981-07-18 1983-02-03 Funke Wärmeaustauscher Apparatebau KG, 3212 Gronau "waermeaustauscher"
FR2557280A1 (fr) * 1983-12-21 1985-06-28 Commissariat Energie Atomique Generateur de vapeur sodium-eau a tubes concentriques droits et a circulation de gaz dans l'espace annulaire
EP0147304A2 (fr) * 1983-12-21 1985-07-03 Commissariat A L'energie Atomique Générateur de vapeur sodium-eau à tubes concentriques droits et à circulation de gaz dans l'espace annulaire
EP0147304A3 (en) * 1983-12-21 1985-08-14 Commissariat A L'energie Atomique Etablissement De Caractere Scientifique Technique Et Industriel Sodium-water steam generator with concentric straight tubes and gas circulation in the annular space
US4633819A (en) * 1983-12-21 1987-01-06 Commissariat A L'energie Atomique Water-sodium steam generator with straight concentric tubes and gas circulating in the annular space
EP0200989A2 (fr) * 1985-05-09 1986-11-12 Stone & Webster Engineering Corporation Générateur de vapeur à tubes doubles disposés en serpentin hélicoidal
EP0200989A3 (en) * 1985-05-09 1987-12-16 Stone & Webster Engineering Corporation Double tube helical coil steam generator
FR2583865A1 (fr) * 1985-06-19 1986-12-26 Commissariat Energie Atomique Echangeur de chaleur a tubes en u coaxiaux a ecoulement intermediaire de gaz neutre et reacteur nucleaire a neutrons rapides comportant des echangeurs de ce type.
EP0206921A1 (fr) * 1985-06-19 1986-12-30 Commissariat A L'energie Atomique Echangeur de chaleur à tubes en U coaxiaux à écoulement intermédiaire de gaz neutre et réacteur nucléaire à neutrons rapides comportant des échangeurs de ce type
EP0228722A2 (fr) * 1985-12-26 1987-07-15 Stone & Webster Engineering Corporation Générateur de vapeur à tube double
EP0228722A3 (fr) * 1985-12-26 1988-10-26 Stone & Webster Engineering Corporation Générateur de vapeur à tube double
DE3826072A1 (de) * 1987-08-13 1989-02-23 Doryokuro Kakunenryo Waermetauscher vom heizrohrtyp
DE3826072C2 (de) * 1987-08-13 1998-07-02 Doryokuro Kakunenryo Wärmetauscher vom Heizrohrtyp

Also Published As

Publication number Publication date
BE681370A (fr) 1966-10-31
BE681730A (fr) 1966-10-31
CH483865A (de) 1970-01-15
GB1145045A (en) 1969-03-12
NL6606957A (fr) 1966-11-22
DE1295461B (de) 1969-05-14
LU51152A1 (fr) 1966-07-20
GB1140533A (en) 1969-01-22

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