CA1022795A - Process and apparatus for cooling down a gas - Google Patents
Process and apparatus for cooling down a gasInfo
- Publication number
- CA1022795A CA1022795A CA226,044A CA226044A CA1022795A CA 1022795 A CA1022795 A CA 1022795A CA 226044 A CA226044 A CA 226044A CA 1022795 A CA1022795 A CA 1022795A
- Authority
- CA
- Canada
- Prior art keywords
- gas
- cooling down
- cooling
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/52—Ash-removing devices
- C10J3/526—Ash-removing devices for entrained flow gasifiers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
- C10J3/845—Quench rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/02—Other direct-contact heat-exchange apparatus the heat-exchange media both being gases or vapours
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0959—Oxygen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1846—Partial oxidation, i.e. injection of air or oxygen only
-
- 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
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/54—Venturi scrubbers
-
- 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
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/76—Steam
-
- 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
- Y10S48/00—Gas: heating and illuminating
- Y10S48/02—Slagging producer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Industrial Gases (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7408036,A NL178134C (nl) | 1974-06-17 | 1974-06-17 | Werkwijze en inrichting voor het behandelen van een heet produktgas. |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1022795A true CA1022795A (en) | 1977-12-20 |
Family
ID=19821557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA226,044A Expired CA1022795A (en) | 1974-06-17 | 1975-05-01 | Process and apparatus for cooling down a gas |
Country Status (14)
Country | Link |
---|---|
US (1) | US4054424A (nl) |
JP (1) | JPS5851196B2 (nl) |
BE (1) | BE830265A (nl) |
CA (1) | CA1022795A (nl) |
CS (1) | CS194229B2 (nl) |
DD (1) | DD119267A5 (nl) |
DE (1) | DE2526922C2 (nl) |
FR (1) | FR2274884A1 (nl) |
GB (1) | GB1512692A (nl) |
IN (1) | IN143501B (nl) |
IT (1) | IT1039017B (nl) |
NL (1) | NL178134C (nl) |
PL (1) | PL99669B1 (nl) |
SU (1) | SU725570A3 (nl) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4183896A (en) * | 1976-06-16 | 1980-01-15 | Gordon Donald C | Anti-pollution device for exhaust gases |
GB1544002A (en) * | 1976-10-21 | 1979-04-11 | Shell Int Research | Process for the separation of dry particulate matter from a hot gas |
DE2710154C2 (de) * | 1977-03-09 | 1982-09-23 | Dr. C. Otto & Comp. Gmbh, 4630 Bochum | Unter Druck und hoher Temperatur arbeitender Gaserzeuger |
NL7704399A (nl) * | 1977-04-22 | 1978-10-24 | Shell Int Research | Werkwijze en reactor voor de partiele ver- branding van koolpoeder. |
AT354989B (de) * | 1977-07-01 | 1980-02-11 | Waagner Biro Ag | Verfahren und einrichtung zur mischung zweier gasstroeme |
US4234407A (en) * | 1979-02-26 | 1980-11-18 | The United States Of America As Represented By The United States Department Of Energy | Reactor and method for hydrocracking carbonaceous material |
US4279622A (en) * | 1979-07-13 | 1981-07-21 | Texaco Inc. | Gas-gas quench cooling and solids separation process |
US4324563A (en) * | 1979-07-13 | 1982-04-13 | Texaco Inc. | Gasification apparatus with means for cooling and separating solids from the product gas |
IN156182B (nl) * | 1981-11-16 | 1985-06-01 | Shell Int Research | |
US4466808A (en) * | 1982-04-12 | 1984-08-21 | Texaco Development Corporation | Method of cooling product gases of incomplete combustion containing ash and char which pass through a viscous, sticky phase |
NL8203582A (nl) * | 1982-09-16 | 1984-04-16 | Shell Int Research | Werkwijze voor het bereiden van synthesegas. |
NL190510C (nl) * | 1983-02-17 | 1994-04-05 | Hoogovens Groep Bv | Gasmenger. |
JPS59211085A (ja) * | 1983-05-16 | 1984-11-29 | 富士通機電株式会社 | 電光表示装置駆動方式 |
DE3427088C2 (de) * | 1984-07-18 | 1987-05-07 | Korf Engineering GmbH, 4000 Düsseldorf | Vorrichtung zum Abkühlen eines heißen Produktgases |
US4872886A (en) * | 1985-11-29 | 1989-10-10 | The Dow Chemical Company | Two-stage coal gasification process |
DE3601786C2 (de) * | 1986-01-22 | 1996-03-07 | Krupp Koppers Gmbh | Einrichtung zur Abkühlung des aus einem unter erhöhtem Druck betriebenen Vergasungsreaktor austretenden heißen Produktionsgases |
US4874397A (en) * | 1987-12-29 | 1989-10-17 | Shell Oil Company | Coal gasification process |
US4963162A (en) * | 1987-12-29 | 1990-10-16 | Shell Oil Company | Coal gasification process |
DE3809313A1 (de) * | 1988-03-19 | 1989-10-05 | Krupp Koppers Gmbh | Verfahren und vorrichtung zum kuehlen von partialoxidationsgas |
DE3816340A1 (de) * | 1988-05-13 | 1989-11-23 | Krupp Koppers Gmbh | Verfahren und vorrichtung zum kuehlen eines heissen produktgases, das klebrige bzw. schmelzfluessige partikel enthaelt |
US4859213A (en) * | 1988-06-20 | 1989-08-22 | Shell Oil Company | Interchangeable quench gas injection ring |
DE3901601A1 (de) * | 1989-01-20 | 1990-07-26 | Krupp Koppers Gmbh | Verfahren und vorrichtung zum kuehlen von partialoxidationsgas |
DE3938223A1 (de) * | 1989-11-17 | 1991-05-23 | Krupp Koppers Gmbh | Verfahren und vorrichtung zur kuehlung von partialoxidationsrohgas |
DE4020357A1 (de) * | 1990-06-27 | 1992-01-02 | Man Technologie Gmbh | Abgasfuehrungssystem |
US5607649A (en) * | 1992-06-05 | 1997-03-04 | Niro Holding A/S | Method and apparatus for processing a particulate material in a fluidized bed chamber |
US5433760A (en) * | 1993-05-13 | 1995-07-18 | Shell Oil Company | Method of quenching synthesis gas |
US5431703A (en) * | 1993-05-13 | 1995-07-11 | Shell Oil Company | Method of quenching synthesis gas |
DE4318385C2 (de) * | 1993-06-03 | 1997-04-10 | Metallgesellschaft Ag | Verfahren zum Abscheiden von Schlacketröpfchen aus einem Rohgas aus der Verbrennung oder Vergasung fester oder flüssiger Brennstoffe |
US5520456A (en) * | 1993-06-16 | 1996-05-28 | Bickerstaff; Richard D. | Apparatus for homogeneous mixing of two media having an elongated cylindrical passage and media injection means |
DE4340156A1 (de) * | 1993-11-25 | 1995-06-01 | Krupp Koppers Gmbh | Verfahren und Vorrichtung zur Kühlung von Partialoxidationsrohgas |
US5846275A (en) * | 1996-12-31 | 1998-12-08 | Atmi Ecosys Corporation | Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system |
US5833888A (en) * | 1996-12-31 | 1998-11-10 | Atmi Ecosys Corporation | Weeping weir gas/liquid interface structure |
US5935283A (en) * | 1996-12-31 | 1999-08-10 | Atmi Ecosys Corporation | Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system |
RU2402596C2 (ru) | 2005-05-02 | 2010-10-27 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Способ получения синтез-газа и система для его осуществления |
DE102005059184B3 (de) * | 2005-12-02 | 2007-09-06 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Vorrichtung und Verfahren zur Dämpfung thermoakustischer Resonanzen in Brennkammern |
CA2636472A1 (en) * | 2006-01-09 | 2007-07-19 | Excell Technologies, Llc | Liquid slag quick quenching apparatus and method |
US20080000155A1 (en) * | 2006-05-01 | 2008-01-03 | Van Den Berg Robert E | Gasification system and its use |
CN101432400B (zh) * | 2006-05-01 | 2012-11-14 | 国际壳牌研究有限公司 | 气化反应器及其应用 |
EP2016160A1 (en) * | 2006-05-01 | 2009-01-21 | Shell Internationale Research Maatschappij B.V. | Gasification reactor and its use |
US20070294943A1 (en) * | 2006-05-01 | 2007-12-27 | Van Den Berg Robert E | Gasification reactor and its use |
US9051522B2 (en) * | 2006-12-01 | 2015-06-09 | Shell Oil Company | Gasification reactor |
US8236071B2 (en) * | 2007-08-15 | 2012-08-07 | General Electric Company | Methods and apparatus for cooling syngas within a gasifier system |
AU2008294832B2 (en) * | 2007-09-04 | 2011-05-19 | Air Products And Chemicals, Inc. | Spray nozzle manifold and process for quenching a hot gas using such an arrangement |
CN101605877B (zh) * | 2007-09-04 | 2013-08-21 | 国际壳牌研究有限公司 | 骤冷转炉 |
US8074973B2 (en) * | 2007-10-02 | 2011-12-13 | Exxonmobil Chemical Patents Inc. | Method and apparatus for cooling pyrolysis effluent |
US8197564B2 (en) * | 2008-02-13 | 2012-06-12 | General Electric Company | Method and apparatus for cooling syngas within a gasifier system |
US9638414B2 (en) * | 2008-04-07 | 2017-05-02 | Wastedry Llc | Systems and methods for processing municipal wastewater treatment sewage sludge |
US9657989B2 (en) | 2008-04-07 | 2017-05-23 | Wastedry, Llc | Systems and methods for processing municipal wastewater treatment sewage sludge |
AU2009286686B2 (en) * | 2008-09-01 | 2013-08-01 | Air Products And Chemicals, Inc. | Self cleaning arrangement |
US8960651B2 (en) * | 2008-12-04 | 2015-02-24 | Shell Oil Company | Vessel for cooling syngas |
US9028569B2 (en) * | 2009-06-30 | 2015-05-12 | General Electric Company | Gasification quench chamber and scrubber assembly |
RU2433282C2 (ru) * | 2010-05-07 | 2011-11-10 | Владимир Петрович Севастьянов | Способ псевдодетонационной газификации угольной суспензии в комбинированном цикле "icsgcc" |
US20120255301A1 (en) * | 2011-04-06 | 2012-10-11 | Bell Peter S | System for generating power from a syngas fermentation process |
US9127222B2 (en) * | 2012-07-13 | 2015-09-08 | General Electric Company | System and method for protecting gasifier quench ring |
KR101542237B1 (ko) * | 2012-11-13 | 2015-08-21 | 현대중공업 주식회사 | 석탄 가스화기용 용융 비산회 냉각장치 |
DE102013219312B4 (de) | 2013-09-25 | 2018-07-12 | Technische Universität Bergakademie Freiberg | Verfahren zur Teilkonvertierung von Rohgasen der Flugstromvergasung |
CN112964084B (zh) * | 2021-03-09 | 2021-12-28 | 西安交通大学 | 一种高温废气快速冷却回收及稳压装置 |
CN117685698B (zh) * | 2024-02-04 | 2024-04-30 | 冰轮环境技术股份有限公司 | 一种立式低压循环桶及立式桶泵制冷*** |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2302396A (en) * | 1939-07-31 | 1942-11-17 | Humphreys & Glasgow Ltd | Cleansing and cooling gases by liquid in the manufacture of water gas |
US2699384A (en) * | 1949-12-20 | 1955-01-11 | Du Pont | Preparation of carbon monoxide and hydrogen from carbonaceous solids |
US2716598A (en) * | 1951-02-06 | 1955-08-30 | Du Pont | Preparation of carbon monoxide and hydrogen by partial oxidation of carbonaceous solids |
US2905544A (en) * | 1951-05-17 | 1959-09-22 | Koppers Co Inc | Suspension process for the production of co and h2 from a solid carbonaceous fuel, oxygen and steam |
US2971830A (en) * | 1958-06-18 | 1961-02-14 | Sumitomo Chemical Co | Method of gasifying pulverized coal in vortex flow |
US3567399A (en) * | 1968-06-03 | 1971-03-02 | Kaiser Aluminium Chem Corp | Waste combustion afterburner |
US3495384A (en) * | 1968-06-24 | 1970-02-17 | Howard Alliger | Noxious residue eliminator for smelting plant |
US3715301A (en) * | 1971-06-30 | 1973-02-06 | Texaco Inc | Multi-hydrotorting of coal |
US3841061A (en) * | 1972-11-24 | 1974-10-15 | Pollution Ind Inc | Gas cleaning apparatus |
US3864100A (en) * | 1973-01-02 | 1975-02-04 | Combustion Eng | Method and apparatus for gasification of pulverized coal |
-
1974
- 1974-06-17 NL NLAANVRAGE7408036,A patent/NL178134C/nl not_active IP Right Cessation
-
1975
- 1975-05-01 CA CA226,044A patent/CA1022795A/en not_active Expired
- 1975-05-02 IN IN887/CAL/1975A patent/IN143501B/en unknown
- 1975-06-05 US US05/583,966 patent/US4054424A/en not_active Expired - Lifetime
- 1975-06-13 PL PL1975181173A patent/PL99669B1/pl unknown
- 1975-06-16 FR FR7518713A patent/FR2274884A1/fr active Granted
- 1975-06-16 GB GB25539/75A patent/GB1512692A/en not_active Expired
- 1975-06-16 CS CS754227A patent/CS194229B2/cs unknown
- 1975-06-16 IT IT24409/75A patent/IT1039017B/it active
- 1975-06-16 JP JP50072109A patent/JPS5851196B2/ja not_active Expired
- 1975-06-16 DE DE2526922A patent/DE2526922C2/de not_active Expired
- 1975-06-16 SU SU752145910A patent/SU725570A3/ru active
- 1975-06-16 BE BE157347A patent/BE830265A/xx not_active IP Right Cessation
- 1975-06-16 DD DD186665A patent/DD119267A5/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4054424A (en) | 1977-10-18 |
SU725570A1 (ru) | 1980-03-30 |
NL7408036A (nl) | 1975-12-19 |
FR2274884A1 (fr) | 1976-01-09 |
NL178134C (nl) | 1986-02-03 |
DE2526922C2 (de) | 1985-09-26 |
CS194229B2 (en) | 1979-11-30 |
SU725570A3 (en) | 1980-03-30 |
DE2526922A1 (de) | 1976-01-02 |
JPS5851196B2 (ja) | 1983-11-15 |
BE830265A (fr) | 1975-12-16 |
FR2274884B1 (nl) | 1977-07-08 |
NL178134B (nl) | 1985-09-02 |
DD119267A5 (nl) | 1976-04-12 |
IN143501B (nl) | 1977-12-10 |
AU8216475A (en) | 1976-12-23 |
GB1512692A (en) | 1978-06-01 |
PL99669B1 (pl) | 1978-07-31 |
JPS5113377A (en) | 1976-02-02 |
IT1039017B (it) | 1979-12-10 |
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