BE644811A - - Google Patents

Info

Publication number
BE644811A
BE644811A BE644811A BE644811A BE644811A BE 644811 A BE644811 A BE 644811A BE 644811 A BE644811 A BE 644811A BE 644811 A BE644811 A BE 644811A BE 644811 A BE644811 A BE 644811A
Authority
BE
Belgium
Application number
BE644811A
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 filed Critical
Publication of BE644811A publication Critical patent/BE644811A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
    • E04C2/205—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics of foamed plastics, or of plastics and foamed plastics, optionally reinforced
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/08—Macromolecular compounds porous, e.g. expanded polystyrene beads or microballoons
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/0615—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances the burned-out substance being a monolitic element having approximately the same dimensions as the final article, e.g. a porous polyurethane sheet or a prepreg obtained by bonding together resin particles
    • 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
    • C08J9/36—After-treatment
    • C08J9/40—Impregnation
    • 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
    • C08J9/36—After-treatment
    • C08J9/40—Impregnation
    • C08J9/42—Impregnation with macromolecular compounds
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7313—Density
    • B29C66/73132—Density of different density, i.e. the density of one of the parts to be joined being different from the density of the other part
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
    • C08J2201/038—Use of an inorganic compound to impregnate, bind or coat a foam, e.g. waterglass
    • 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
    • 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
    • C08J2429/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • 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
    • C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • 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
    • C08J2495/00—Bituminous materials, e.g. asphalt, tar or pitch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
BE644811A 1963-03-07 1964-03-06 BE644811A (el)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO14485763 1963-03-07
NO15125663 1963-03-07
NO15216764 1964-02-26

Publications (1)

Publication Number Publication Date
BE644811A true BE644811A (el) 1964-07-01

Family

ID=27353321

Family Applications (1)

Application Number Title Priority Date Filing Date
BE644811A BE644811A (el) 1963-03-07 1964-03-06

Country Status (5)

Country Link
US (1) US3451842A (el)
BE (1) BE644811A (el)
DE (1) DE1471296A1 (el)
GB (1) GB1054421A (el)
NL (1) NL6402349A (el)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49147358U (el) * 1973-04-25 1974-12-19
JPS49133468A (el) * 1973-04-25 1974-12-21
JPS5032265A (el) * 1973-07-20 1975-03-28
JPS50139863A (el) * 1974-04-27 1975-11-08

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630820A (en) * 1969-07-25 1971-12-28 Irby H Leach Granular formations including open cell polystyrene particles
US3856614A (en) * 1970-09-30 1974-12-24 Lion Fat Oil Co Ltd Foamed materials of synthetic resin and laminations comprising the same
US3864201A (en) * 1970-10-06 1975-02-04 Lion Fat Oil Co Ltd Thermoplastic resins loaded with filler bonded to cover layers
US4183996A (en) * 1971-11-26 1980-01-15 Atlantic Richfield Company Coated closed cell foam article
JPS505410A (el) * 1973-05-18 1975-01-21
PL83960B1 (el) * 1973-05-30 1976-02-28
GB1474777A (en) * 1973-10-29 1977-05-25 Tokuyama Soda Kk Process for producing flame retardant shaped articles of thermoplastic synthetic resins
DE2433724A1 (de) * 1974-07-13 1976-03-04 Giesemann Herbert Schaumstoff-formteil und verfahren zu seiner herstellung
US4125664A (en) * 1974-07-13 1978-11-14 Herbert Giesemann Shaped articles of foam plastics
NO148381C (no) * 1975-03-28 1983-09-28 Alusuisse Keramisk skumfilter for filtrering av smeltet metall, fremgangsmaate for dets fremstilling samt anvendelse av filtret
US4061825A (en) * 1975-06-16 1977-12-06 Evode Holdings Limited Water activatable tapes
US4169915A (en) * 1976-10-04 1979-10-02 Johns-Manville Corporation Fire resistant foam products
US4268558A (en) * 1977-07-01 1981-05-19 Boardman Energy Systems, Inc. Thermal storage material and process for making
US4263365A (en) * 1979-08-02 1981-04-21 John D. Brush & Co., Inc. Fire-resistant safe and panel
GB2121316A (en) * 1982-06-01 1983-12-21 John Albert Avery Bradbury Composite foamed articles and process for their production
DE3227201A1 (de) * 1982-07-21 1984-01-26 Wester Mineralien A.& H. Wester KG, 5305 Alfter Verfahren zur herstellung von keramischen, poroesen formkoerpern
DE3236570A1 (de) * 1982-10-02 1984-04-05 Hans-Erich 7595 Sasbachwalden Gubela Schaumkunststoffkoerper mit offenen zellen, insbesondere aus phenolharz
GB8321861D0 (en) * 1983-08-13 1983-09-14 British Vita Non-flexible foam
EP0152491A1 (en) * 1983-12-07 1985-08-28 John Albert Avery Bradbury Composite foamed articles and process for their production
US4664858A (en) * 1984-08-21 1987-05-12 Kurosaki Refractories Co., Ltd. Manufacturing method of a ceramics body having through holes
FR2591147B1 (fr) * 1985-12-10 1988-07-08 Paradis Andre Nouveau materiau composite stratifie rigide
FR2609915A1 (fr) * 1987-01-26 1988-07-29 Aris Sa Amalgame metal-mineral refractaire, son procede de preparation et ses applications
US4842037A (en) * 1987-06-10 1989-06-27 Foseco International Limited Metal casting patterns
DE3732200A1 (de) * 1987-09-24 1989-04-06 Metzeler Schaum Gmbh Verfahren zur herstellung eines flammhemmend ausgeruesteten, offenzelligen polyurethan-schaumstoffs
DE3808275A1 (de) * 1988-03-12 1989-09-21 Bayer Ag Brandschutzelemente
CH676576A5 (el) * 1988-10-25 1991-02-15 Symalit Ag
FR2645257B1 (fr) * 1989-03-28 1992-10-02 Ceraplast Procede et dispositif de fabrication notamment d'un support d'enfournement en mousse ceramique et support obtenu
EP0410603A1 (en) * 1989-07-26 1991-01-30 Foseco International Limited Casting of molten iron and filters for use therein
JPH0391544A (ja) * 1989-09-01 1991-04-17 Junkosha Co Ltd 四フッ化エチレン樹脂多孔質体
GB2251623B (en) * 1990-10-26 1993-11-03 Fyreguard Pty Ltd Fire resistant sealing material
HU213905B (en) * 1991-07-03 1997-11-28 Stracke Process for producing light concrete aggregates, light concrete, carrige way surfacing, masonry units, heat-insulating and/or levelling layer
NL1001183C2 (nl) * 1995-09-13 1997-03-20 Tno Uitlaatinrichting voor een turbinemotor.
DE19803915C1 (de) * 1998-02-02 1999-06-10 Infra Folienkabel Gmbh Verfahren zur Herstellung von Baustoffplatten unter Verwendung von Gips und nach dem Verfahren hergestellte Baustoffplatte
BR9803264A (pt) * 1998-08-28 2001-07-03 Da Costa Pedro Z Hrer Rodrigue Estruturas obtidas a partir de composto organo cerâmico de alta resistência e seus processos de fabricação
US20050242462A1 (en) * 2002-08-15 2005-11-03 Tower Technology Holdings (Pty) Ltd Method of producing a hydraulic binder or thermoplastic containing product
DE60319281T2 (de) * 2003-05-09 2009-02-12 Porvair Plc., Kings Lynn Herstellungsverfahren für feinporige medien
US20070072761A1 (en) * 2003-10-07 2007-03-29 Hong-Jae Lee Manufacturing method of ceramic body with excellent adiabatic capacity
WO2006012651A2 (en) * 2004-07-27 2006-02-02 Tower Technology Holdings (Pty) Ltd A hydraulic binder product
NO325564B1 (no) * 2006-06-22 2008-06-23 Litex As Damptette bygningsplater for vatrom
US20100300617A1 (en) * 2007-09-14 2010-12-02 Zeki Incel Shaped body comprising a soft foam layer and a layer of a flowable material applied thereto
FR2948936B1 (fr) * 2009-08-05 2011-10-28 Air Liquide Matiere poreuse ceramique presentant une architecture de type alveolaire et une macroporosite controlee
DE202012100466U1 (de) * 2012-02-10 2013-05-13 Odenwald-Chemie Gmbh Schalldämmelement

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1996271A (en) * 1927-01-08 1935-04-02 Bendix Brake Co Brake
US2076295A (en) * 1933-12-28 1937-04-06 Plaskon Co Inc Insulating materials
US2200850A (en) * 1938-08-27 1940-05-14 Dunlop Tire & Rubber Corp Flameproofing sponge rubber and method of flameproofing
US2257911A (en) * 1939-01-23 1941-10-07 Gen Tire & Rubber Co Sponge and method of treating
BE548630A (el) * 1955-06-15
US3000144A (en) * 1956-03-07 1961-09-19 Casavan Ind Composite panels for building constructions
US3057750A (en) * 1958-12-16 1962-10-09 Du Pont Process for reinforcing a preformed elastomer foam
US3055360A (en) * 1959-03-23 1962-09-25 Scholl Mfg Co Inc Plaster of paris composition and production of bandages using the same
US3094433A (en) * 1959-11-27 1963-06-18 Du Pont Elastomeric foam haivng its pore walls coated with fir ous boehmite
US3061468A (en) * 1960-10-06 1962-10-30 Dow Chemical Co Method of rendering foamed polystyrene surfaces flame resistant
US3257229A (en) * 1960-11-28 1966-06-21 Polymer Eng Corp Process for applying insulation and insulation structure
NL298550A (el) * 1962-10-26

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49147358U (el) * 1973-04-25 1974-12-19
JPS49133468A (el) * 1973-04-25 1974-12-21
JPS5032265A (el) * 1973-07-20 1975-03-28
JPS50139863A (el) * 1974-04-27 1975-11-08

Also Published As

Publication number Publication date
US3451842A (en) 1969-06-24
DE1471296A1 (de) 1968-11-28
GB1054421A (el)
NL6402349A (el) 1964-09-08

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