IT974639B - Composizione per la fabbricazione di materiale antifrizione da co struzione e procedimento per la fabbricazione di questo da detta composizione - Google Patents
Composizione per la fabbricazione di materiale antifrizione da co struzione e procedimento per la fabbricazione di questo da detta composizioneInfo
- Publication number
- IT974639B IT974639B IT29295/72A IT2929572A IT974639B IT 974639 B IT974639 B IT 974639B IT 29295/72 A IT29295/72 A IT 29295/72A IT 2929572 A IT2929572 A IT 2929572A IT 974639 B IT974639 B IT 974639B
- Authority
- IT
- Italy
- Prior art keywords
- manufacturing
- composition
- procedure
- construction
- friction material
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/698—Polyesters containing atoms other than carbon, hydrogen and oxygen containing boron
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/698—Polyesters containing atoms other than carbon, hydrogen and oxygen containing boron
- C08G63/6984—Polyesters containing atoms other than carbon, hydrogen and oxygen containing boron derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6986—Dicarboxylic acids and dihydroxy compounds
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/08—Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/06—Polyhydrazides; Polytriazoles; Polyamino-triazoles; Polyoxadiazoles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M7/00—Solid or semi-solid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single solid or semi-solid substances
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
- C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/061—Carbides; Hydrides; Nitrides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/16—Carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/18—Ammonia
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/08—Solids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Lubricants (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Braking Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1695225A SU378094A1 (ru) | 1971-09-16 | 1971-09-16 | Способ получения самосмазывающихся пластмасс |
Publications (1)
Publication Number | Publication Date |
---|---|
IT974639B true IT974639B (it) | 1974-07-10 |
Family
ID=20487264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29295/72A IT974639B (it) | 1971-09-16 | 1972-09-15 | Composizione per la fabbricazione di materiale antifrizione da co struzione e procedimento per la fabbricazione di questo da detta composizione |
Country Status (13)
Country | Link |
---|---|
US (1) | US3850820A (it) |
AT (1) | AT328190B (it) |
BE (1) | BE788906A (it) |
CA (1) | CA1016531A (it) |
CH (1) | CH592701A5 (it) |
CS (1) | CS195375B1 (it) |
DD (1) | DD100491A1 (it) |
FR (1) | FR2153098B1 (it) |
GB (1) | GB1368865A (it) |
IT (1) | IT974639B (it) |
NO (1) | NO135791C (it) |
SE (1) | SE380289B (it) |
SU (1) | SU378094A1 (it) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU556165A1 (ru) * | 1974-10-28 | 1977-04-30 | Ордена Ленина Институт Элементоорганических Соединений Ан Ссср | Композици дл антифрикционного материала |
DE2734362C2 (de) * | 1977-07-29 | 1987-02-26 | Institut elementoorganičeskich soedinenij Akademii Nauk SSSR, Moskau/Moskva | Antifriktionsmischung |
DE2923579C2 (de) * | 1979-06-11 | 1984-07-26 | Geb. Zaprudskaja Alla Kronidovna Mitrofanova | Antifriktionspaste |
DE3218145A1 (de) * | 1982-05-14 | 1983-11-24 | Daimler-Benz Ag, 7000 Stuttgart | Verfahren zur erhoehung der lebensdauer und verringerung der reibung von oelgeschmierten kegelrollenlagern |
US4754494A (en) * | 1985-07-18 | 1988-06-28 | The Charles Stark Draper Laboratory, Inc. | Beryllium based, wear-resistant material for bearings and the like |
US4871826A (en) * | 1987-06-22 | 1989-10-03 | Massachusetts Institute Of Technology | Lewis base adducts of decaborane for forming new preceramic polymers, using as binders, forming shaped bodies and forming fibers |
US5317058A (en) * | 1992-04-17 | 1994-05-31 | Hughes Aircraft Company | Microwave-absorbing materials containing polar icosahedral molecular units and methods of making the same |
US6207627B1 (en) | 1994-01-19 | 2001-03-27 | The United States Of America As Represented By The Secretary Of Commerce | Oxygen-containing organic compounds as boundary lubricants for silicon nitride ceramics |
US20070154716A1 (en) * | 2005-12-30 | 2007-07-05 | Saint-Gobain Performance Plastics Corporation | Composite material |
US20080224366A1 (en) * | 2005-12-30 | 2008-09-18 | Saint-Gobain Performance Plastics Corporation | Water resistant composite material |
US20070152195A1 (en) * | 2005-12-30 | 2007-07-05 | Saint-Gobain Performance Plastics Corporation | Electrostatic dissipative composite material |
US20070155949A1 (en) * | 2005-12-30 | 2007-07-05 | Saint-Gobain Performance Plastics Corporation | Thermally stable composite material |
US20070154717A1 (en) * | 2005-12-30 | 2007-07-05 | Saint-Gobain Performance Plastics Corporation | Thermally stable composite material |
US7476339B2 (en) * | 2006-08-18 | 2009-01-13 | Saint-Gobain Ceramics & Plastics, Inc. | Highly filled thermoplastic composites |
WO2012170330A1 (en) * | 2011-06-08 | 2012-12-13 | Quantum Devices, Llc | Novel semiconducting alloy polymers formed from orthocarborane and 1,4-diaminobenzene |
CN103881091B (zh) * | 2014-03-15 | 2016-04-27 | 西南石油大学 | 一种含碳硼烷结构的聚酰亚胺的制备方法 |
CN104945627B (zh) * | 2015-07-28 | 2018-04-24 | 中国工程物理研究院总体工程研究所 | 一种制备具有超高耐热性聚酰亚胺聚合物的方法 |
CN105367786A (zh) * | 2015-09-08 | 2016-03-02 | 哈尔滨工业大学无锡新材料研究院 | 含碳硼烷的耐高温聚酰胺及其制备方法 |
CN105399885B (zh) * | 2015-09-08 | 2017-08-29 | 哈尔滨工业大学无锡新材料研究院 | 耐高温三元乙丙橡胶及其制备方法 |
CN107459648B (zh) * | 2017-07-06 | 2020-12-15 | 首都航天机械公司 | 一种耐高温含碳硼烷聚酰亚胺树脂的合成方法 |
RU2743134C1 (ru) * | 2020-01-20 | 2021-02-15 | Общество с ограниченной ответственностью Научно-Производственный Комплекс "Прогресс-ИНТЭКС" | Антифрикционный самосмазывающийся композитный материал группы "маслянит" |
CN111721878A (zh) * | 2020-06-30 | 2020-09-29 | 郑州原理生物科技有限公司 | 利用gc-ms测定碳硼烷含量的方法及确定碳硼烷重排反应进度的方法 |
CN114736371B (zh) * | 2022-03-03 | 2023-05-09 | 江阴市云达电子新材料有限公司 | 一种高导热聚酰亚胺薄膜及其制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3354121A (en) * | 1963-02-20 | 1967-11-21 | Du Pont | Polymers of polyhedral boron compounds |
US3380843A (en) * | 1964-03-31 | 1968-04-30 | Polymer Corp | Bearing |
US3287288A (en) * | 1964-09-21 | 1966-11-22 | Duriron Co | Low friction composition containing a resinous binder and degraded polytetrafluoroethylene particles |
DE1922756B2 (de) * | 1968-05-04 | 1973-09-27 | Sumitomo Electric Industries, Ltd., Osaka (Japan) | Verbessern der Abriebsbeständigkeit und Gleitfähigkeit von Kunststofformkörpern durch Zusatz von Schmieröl |
US3781205A (en) * | 1970-02-02 | 1973-12-25 | Garlock Inc | Composite bearings |
-
1971
- 1971-09-16 SU SU1695225A patent/SU378094A1/ru active
-
1972
- 1972-09-13 CA CA151,627A patent/CA1016531A/en not_active Expired
- 1972-09-13 NO NO3261/72A patent/NO135791C/no unknown
- 1972-09-13 AT AT785972A patent/AT328190B/de not_active IP Right Cessation
- 1972-09-15 GB GB4281772A patent/GB1368865A/en not_active Expired
- 1972-09-15 IT IT29295/72A patent/IT974639B/it active
- 1972-09-15 CH CH1356972A patent/CH592701A5/xx not_active IP Right Cessation
- 1972-09-15 SE SE7211947A patent/SE380289B/xx unknown
- 1972-09-18 DD DD165723A patent/DD100491A1/xx unknown
- 1972-09-18 FR FR7233020A patent/FR2153098B1/fr not_active Expired
- 1972-09-18 CS CS726369A patent/CS195375B1/cs unknown
-
1973
- 1973-03-15 BE BE788906A patent/BE788906A/xx not_active IP Right Cessation
- 1973-10-29 US US00410306A patent/US3850820A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE380289B (sv) | 1975-11-03 |
NO135791C (it) | 1977-06-01 |
CA1016531A (en) | 1977-08-30 |
DD100491A1 (it) | 1973-09-20 |
ATA785972A (de) | 1975-05-15 |
AU4679172A (en) | 1974-03-28 |
DE2245410A1 (de) | 1973-04-12 |
SU378094A1 (ru) | 1973-09-17 |
FR2153098A1 (it) | 1973-04-27 |
AT328190B (de) | 1976-03-10 |
US3850820A (en) | 1974-11-26 |
FR2153098B1 (it) | 1975-03-14 |
CH592701A5 (it) | 1977-11-15 |
NO135791B (it) | 1977-02-21 |
DE2245410B2 (de) | 1977-05-05 |
BE788906A (fr) | 1973-03-15 |
CS195375B1 (en) | 1980-01-31 |
GB1368865A (en) | 1974-10-02 |
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