BR8707836A - Processo para a gaseificacao alotermica de carvao e gerador de gas de leito turbilhonante para a concretizacao do processo - Google Patents
Processo para a gaseificacao alotermica de carvao e gerador de gas de leito turbilhonante para a concretizacao do processoInfo
- Publication number
- BR8707836A BR8707836A BR8707836A BR8707836A BR8707836A BR 8707836 A BR8707836 A BR 8707836A BR 8707836 A BR8707836 A BR 8707836A BR 8707836 A BR8707836 A BR 8707836A BR 8707836 A BR8707836 A BR 8707836A
- Authority
- BR
- Brazil
- Prior art keywords
- turbilant
- beding
- procedure
- gas generator
- coal gasification
- Prior art date
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
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
- C10J3/60—Processes
- C10J3/64—Processes with decomposition of the distillation products
- C10J3/66—Processes with decomposition of the distillation products by introducing them into the gasification zone
-
- 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
- C10J3/482—Gasifiers with stationary fluidised bed
-
- 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
- C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
-
- 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
- C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
- C10J3/56—Apparatus; Plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/182—Details relating to the spatial orientation of the reactor horizontal
-
- 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
- C10J2300/0953—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
- C10J2300/1861—Heat exchange between at least two process streams
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863635215 DE3635215A1 (de) | 1986-10-16 | 1986-10-16 | Verfahren zur allothermen kohlevergasung und wirbelbett-gasgenerator zur durchfuehrung des verfahrens |
PCT/EP1987/000605 WO1988002769A1 (fr) | 1986-10-16 | 1987-10-15 | Procede et generateur de gaz a lit fluidise de gazeification allothermique de charbon |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8707836A true BR8707836A (pt) | 1989-08-15 |
Family
ID=6311834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8707836A BR8707836A (pt) | 1986-10-16 | 1987-10-15 | Processo para a gaseificacao alotermica de carvao e gerador de gas de leito turbilhonante para a concretizacao do processo |
Country Status (13)
Country | Link |
---|---|
US (2) | US5064444A (pt) |
EP (1) | EP0329673B1 (pt) |
JP (1) | JP2594590B2 (pt) |
CN (1) | CN1017998B (pt) |
AT (1) | ATE60931T1 (pt) |
BR (1) | BR8707836A (pt) |
CA (1) | CA1286110C (pt) |
DE (2) | DE3635215A1 (pt) |
ES (1) | ES2008269A6 (pt) |
PL (2) | PL154876B1 (pt) |
SU (1) | SU1828465A3 (pt) |
WO (1) | WO1988002769A1 (pt) |
ZA (1) | ZA877783B (pt) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5439491A (en) * | 1986-10-16 | 1995-08-08 | Bergwerksverband Gmbh | Fluidized bed generator for allothermic gasification of coal |
DE3635215A1 (de) * | 1986-10-16 | 1988-04-28 | Bergwerksverband Gmbh | Verfahren zur allothermen kohlevergasung und wirbelbett-gasgenerator zur durchfuehrung des verfahrens |
DE3828534A1 (de) * | 1988-08-23 | 1990-03-08 | Gottfried Dipl Ing Roessle | Verfahren zur verwertung von energiehaltiger masse, vorrichtung zur durchfuehrung des verfahrens und verwendung eines bei der verwertung anfallenden produkts |
DE3903936A1 (de) * | 1988-11-11 | 1990-05-23 | Gutehoffnungshuette Man | Reaktor fuer allotherme kohlevergasung |
DE4305964A1 (de) * | 1993-02-26 | 1994-09-01 | Rudolf Prof Dr Ing Dr Jeschar | Verfahren zur mehrstufigen thermischen Behandlung von Verbundmaterial im Interesse einer emissions- und reststoffarmen, stofflichen und energetischen Verwertung (Recycling) |
DE4326562C2 (de) * | 1993-08-07 | 1995-06-22 | Gutehoffnungshuette Man | Verfahren und Vorrichtung zur Direktreduktion von Feinerzen bzw. Feinerzkonzentraten |
DE4328379C2 (de) * | 1993-08-24 | 2001-11-29 | Binsmaier Geb Gallin Ast | Modulkraftwerk für die Erzeugung von elektrischer Energie aus Sonnenenergie |
DE4341438C2 (de) * | 1993-12-04 | 2000-07-13 | Binsmaier Hannelore | Modulkraftwerk für die Erzeugung von hauptsächlich Wasserstoff aus Sonnenenergie |
TW245651B (en) * | 1994-02-24 | 1995-04-21 | Babcock & Wilcox Co | Black liquor gasifier |
US5516345A (en) * | 1994-06-30 | 1996-05-14 | Iowa State University Research Foundation, Inc. | Latent heat-ballasted gasifier method |
US5641327A (en) * | 1994-12-02 | 1997-06-24 | Leas; Arnold M. | Catalytic gasification process and system for producing medium grade BTU gas |
US5855631A (en) * | 1994-12-02 | 1999-01-05 | Leas; Arnold M. | Catalytic gasification process and system |
DE19736867C2 (de) * | 1997-08-25 | 2003-01-16 | Montan Tech Gmbh | Verfahren zur allothermen Vergasung von organischen Stoffen und Stoffgemischen |
DE19900116C2 (de) * | 1999-01-05 | 2002-02-14 | Univ Muenchen Tech | Vorrichtung zum Erzeugen von Brenngas durch allotherme Vergasung von Biomasse |
DE19926202C1 (de) * | 1999-06-09 | 2001-02-22 | Tech Uni Muenchen Lehrstuhl Fu | Vorrichtung zur Vergasung biogener Einsatzstoffe |
ES2235905T3 (es) * | 1999-06-09 | 2005-07-16 | Technische Universitat Munchen Lehrstuhl Fur Thermische Kraftanlagen | Dispositivo para la gasificacion de sustancias de partida con contenido en carbono. |
DE19948332B4 (de) * | 1999-10-07 | 2005-09-22 | Steer, Thomas, Dr.-Ing. | Verfahren und Vorrichtung zum Gewinnen heizwertreicher Brennstoffe |
DE10010358A1 (de) * | 2000-03-07 | 2001-09-27 | Bsbg Bremer Sonderabfall Berat | Verfahren und Vorrichtung zum Vergasen von brennbarem Material |
US6554061B2 (en) * | 2000-12-18 | 2003-04-29 | Alstom (Switzerland) Ltd | Recuperative and conductive heat transfer system |
US6787742B2 (en) * | 2001-07-23 | 2004-09-07 | Ken Kansa | High-frequency induction heating device |
US7569086B2 (en) * | 2006-04-24 | 2009-08-04 | Thermochem Recovery International, Inc. | Fluid bed reactor having vertically spaced apart clusters of heating conduits |
US20070245628A1 (en) * | 2006-04-24 | 2007-10-25 | Thermochem Recovery International, Inc. | Fluid bed reactor having a pulse combustor-type heat transfer module separated from the compartment of a reaction vessel |
AU2011253687B2 (en) * | 2006-04-24 | 2013-03-07 | Thermochem Recovery International, Inc. | Fluid bed reactor having a pulse combustor-type heat transfer module |
WO2008058347A1 (en) * | 2006-11-17 | 2008-05-22 | Millennium Synfuels, Llc | Manufacture of fuels |
DE102007062414B4 (de) * | 2007-12-20 | 2009-12-24 | Ecoloop Gmbh | Autothermes Verfahren zur kontinuierlichen Vergasung von kohlenstoffreichen Substanzen |
DE102009017854B4 (de) * | 2009-04-17 | 2013-02-21 | Highterm Research Gmbh | Vorrichtung zur Erzeugung von Produktgas aus kohlenstoffhaltigen Einsatzstoffen mit Wärmerohren |
WO2010141629A1 (en) | 2009-06-02 | 2010-12-09 | Thermochem Recovery International, Inc. | Gasifier having integrated fuel cell power generation system |
DE102009039836A1 (de) * | 2009-09-03 | 2011-03-10 | Karl-Heinz Tetzlaff | Synthesegasreaktor mit beheizter Kokswolke |
CN102465043B (zh) * | 2010-11-01 | 2013-07-31 | 中国科学院过程工程研究所 | 一种固体燃料的多段分级热解气化装置及方法 |
WO2012061742A1 (en) | 2010-11-05 | 2012-05-10 | ThermoChem Recovery International | Solids circulation system and method for capture and conversion of reactive solids |
DE102011015807A1 (de) | 2011-04-01 | 2012-10-04 | H S Reformer Gmbh | Steigerung der Effizienz der Beheizung allothermer Reaktoren |
DE102011075438A1 (de) * | 2011-05-06 | 2012-11-08 | Bilfinger Berger Industrial Services Gmbh | Verfahren und Vorrichtung zur Erzeugung von Synthesegas aus kohlestoffhaltigen Edukten durch Vergasung |
GB2492097B (en) * | 2011-06-21 | 2013-06-12 | Chinook End Stage Recycling Ltd | Improvements in material processing |
CN105584991B (zh) | 2011-09-27 | 2019-05-14 | 国际热化学恢复股份有限公司 | 合成气净化系统和方法 |
DE102011121992B4 (de) * | 2011-12-22 | 2015-02-19 | Josef Wagner | Thermochemische Holzvergasungsanlage mit Festbettreaktor mit doppelt aufsteigender Gegenstromvergasung, Gasreinigung, Gasbereitstellung, Schadstoffverwertung und Schadstoffentsorgung für den Dauerbetrieb mit Gas-Kolbenmotoren und Gasturbinen |
CN103450943B (zh) * | 2013-08-10 | 2015-10-21 | 山西鑫立能源科技有限公司 | 外热式水煤气气化方法 |
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CN103791719A (zh) * | 2014-01-28 | 2014-05-14 | 酒泉钢铁(集团)有限责任公司 | 卧式气化冷却炉及其用于高温直接还原物料气化冷却方法 |
CN103980949B (zh) * | 2014-05-19 | 2016-06-29 | 汤广斌 | 一种无排放高挥发份原料煤分段热解分质利用方法及装置 |
CN103980946B (zh) * | 2014-05-19 | 2017-01-04 | 汤广斌 | 一种无排放的无烟煤分段热解分质利用方法及装置 |
CN104789271B (zh) * | 2015-04-07 | 2017-03-29 | 龙东生 | 粉料低温干馏气化装置 |
CN104830350A (zh) * | 2015-05-08 | 2015-08-12 | 邢献军 | 一种生物质有机炭制备装置 |
CN104893761B (zh) * | 2015-05-12 | 2017-05-10 | 新奥科技发展有限公司 | 一种联产甲烷及轻质焦油的气化炉 |
CN105219409A (zh) * | 2015-10-27 | 2016-01-06 | 航天长征化学工程股份有限公司 | 一种管式间接加热煤热解装置 |
CA3014874C (en) | 2016-02-16 | 2019-03-19 | Thermochem Recovery International, Inc. | Two-stage energy-integrated product gas generation system and method |
CN109153929B (zh) | 2016-03-25 | 2019-12-20 | 国际热化学恢复股份有限公司 | 三阶段能量集成产物气体发生系统和方法 |
US10364398B2 (en) | 2016-08-30 | 2019-07-30 | Thermochem Recovery International, Inc. | Method of producing product gas from multiple carbonaceous feedstock streams mixed with a reduced-pressure mixing gas |
US10197014B2 (en) | 2016-08-30 | 2019-02-05 | Thermochem Recovery International, Inc. | Feed zone delivery system having carbonaceous feedstock density reduction and gas mixing |
US10197015B2 (en) | 2016-08-30 | 2019-02-05 | Thermochem Recovery International, Inc. | Feedstock delivery system having carbonaceous feedstock splitter and gas mixing |
US10329506B2 (en) | 2017-04-10 | 2019-06-25 | Thermochem Recovery International, Inc. | Gas-solids separation system having a partitioned solids transfer conduit |
US10717102B2 (en) | 2017-05-31 | 2020-07-21 | Thermochem Recovery International, Inc. | Pressure-based method and system for measuring the density and height of a fluidized bed |
US9920926B1 (en) | 2017-07-10 | 2018-03-20 | Thermochem Recovery International, Inc. | Pulse combustion heat exchanger system and method |
CN107474882B (zh) * | 2017-09-15 | 2020-11-06 | 中科清能燃气技术(北京)有限公司 | 一种煤气化工艺中高温煤气热量回收及空气预热方法 |
US10099200B1 (en) | 2017-10-24 | 2018-10-16 | Thermochem Recovery International, Inc. | Liquid fuel production system having parallel product gas generation |
RU2683751C1 (ru) * | 2018-05-24 | 2019-04-01 | Общество с ограниченной ответственностью "Новые физические принципы" | Способ газификации угля в сильно перегретом водяном паре и устройство для его осуществления |
CN109959011A (zh) * | 2019-03-26 | 2019-07-02 | 王暐 | 一种气化物料加热的方法和装置 |
US11555157B2 (en) | 2020-03-10 | 2023-01-17 | Thermochem Recovery International, Inc. | System and method for liquid fuel production from carbonaceous materials using recycled conditioned syngas |
US11466223B2 (en) | 2020-09-04 | 2022-10-11 | Thermochem Recovery International, Inc. | Two-stage syngas production with separate char and product gas inputs into the second stage |
RU2764686C1 (ru) * | 2021-03-25 | 2022-01-19 | Валентин Федорович Надеев | Устройство для получения водорода, монооксида углерода, диоксида углерода и азота |
CN115247084B (zh) * | 2022-07-07 | 2023-11-03 | 重庆科技学院 | 基于生物质自热源热解气化的高品质合成气制备系统 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2579397A (en) * | 1943-05-15 | 1951-12-18 | Standard Oil Dev Co | Method for handling fuels |
US2619415A (en) * | 1946-08-15 | 1952-11-25 | Standard Oil Dev Co | Supply of heat to fluidized solids beds for the production of fuel gas |
US2577632A (en) * | 1946-08-27 | 1951-12-04 | Standard Oil Dev Co | Process for supplying plasticizable carbonaceous solids into a gasification zone |
US2634198A (en) * | 1947-06-11 | 1953-04-07 | Hydrocarbon Research Inc | Coal carbonization and gasification |
US2633416A (en) * | 1947-12-03 | 1953-03-31 | Standard Oil Dev Co | Gasification of carbonaceous solids |
US2657124A (en) * | 1948-12-30 | 1953-10-27 | Texas Co | Generation of heating gas from solid fuels |
US2591595A (en) * | 1949-09-29 | 1952-04-01 | Standard Oil Dev Co | Method for controlling the temperature of exothermic reactions such as the gasification of carbonaceous solids |
JPS519762A (en) * | 1972-08-24 | 1976-01-26 | Atad | Futsusatsukin mataha pasutsuurusatsukinkikai |
JPS55439B2 (pt) * | 1973-08-18 | 1980-01-08 | ||
US3927996A (en) * | 1974-02-21 | 1975-12-23 | Exxon Research Engineering Co | Coal injection system |
US3932196A (en) * | 1974-12-30 | 1976-01-13 | Union Carbide Corporation | Primary dry cell with gas-venting passageway through the cathode mix |
DE2549784C2 (de) * | 1975-11-06 | 1984-12-20 | Bergwerksverband Gmbh, 4300 Essen | Wirbelschicht-Gasgenerator mit Wärmezufuhr, insbesondere Kernreaktorwärme, von außen |
DE2903985C2 (de) * | 1979-02-02 | 1982-08-26 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur Erzeugung von H↓2↓- und CO-haltigen Gasen |
IN152976B (pt) * | 1980-02-19 | 1984-05-12 | Combustion Eng | |
DE3042142C2 (de) * | 1980-11-03 | 1983-06-23 | Mannesmann AG, 4000 Düsseldorf | Wirbelbett-Gaserzeuger |
DE3112708C2 (de) * | 1981-03-31 | 1985-06-13 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur Erzeugung von H↓2↓- und CO-haltigen Gasen aus feinkörnigem Brennstoff in der Wirbelschicht mit in diese eingetauchten Wärmetauschern |
DE3136645A1 (de) * | 1981-09-16 | 1983-03-24 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur dosierung von, insbesondere backenden,brennstoffen in einen wirbelschichtreaktor sowie verfahren zum betreiben einer solchen vorrichtung |
DE3228532A1 (de) * | 1982-07-30 | 1984-02-02 | BKMI Industrieanlagen GmbH, 8000 München | Verfahren zur verschwelung und vergasung von kohlenstoffhaltigen feststoffen |
DE3339061C2 (de) * | 1982-10-30 | 1985-03-28 | Bergwerksverband Gmbh, 4300 Essen | Zellenradschleuse |
DE3635215A1 (de) * | 1986-10-16 | 1988-04-28 | Bergwerksverband Gmbh | Verfahren zur allothermen kohlevergasung und wirbelbett-gasgenerator zur durchfuehrung des verfahrens |
-
1986
- 1986-10-16 DE DE19863635215 patent/DE3635215A1/de active Granted
-
1987
- 1987-10-14 ES ES8702930A patent/ES2008269A6/es not_active Expired
- 1987-10-15 PL PL1987287912A patent/PL154876B1/pl unknown
- 1987-10-15 DE DE8787907103T patent/DE3768091D1/de not_active Expired - Fee Related
- 1987-10-15 EP EP87907103A patent/EP0329673B1/de not_active Expired - Lifetime
- 1987-10-15 JP JP62506551A patent/JP2594590B2/ja not_active Expired - Lifetime
- 1987-10-15 BR BR8707836A patent/BR8707836A/pt unknown
- 1987-10-15 PL PL1987268239A patent/PL153818B1/pl unknown
- 1987-10-15 AT AT87907103T patent/ATE60931T1/de not_active IP Right Cessation
- 1987-10-15 US US07/348,574 patent/US5064444A/en not_active Expired - Fee Related
- 1987-10-15 CA CA000549424A patent/CA1286110C/en not_active Expired - Fee Related
- 1987-10-15 WO PCT/EP1987/000605 patent/WO1988002769A1/de active IP Right Grant
- 1987-10-16 CN CN87107590A patent/CN1017998B/zh not_active Expired
- 1987-10-16 ZA ZA877783A patent/ZA877783B/xx unknown
-
1989
- 1989-04-14 SU SU894613905A patent/SU1828465A3/ru active
-
1992
- 1992-10-19 US US07/963,284 patent/US5346515A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5064444A (en) | 1991-11-12 |
CA1286110C (en) | 1991-07-16 |
JP2594590B2 (ja) | 1997-03-26 |
WO1988002769A1 (fr) | 1988-04-21 |
DE3635215A1 (de) | 1988-04-28 |
PL268239A1 (en) | 1988-08-18 |
ZA877783B (en) | 1988-09-28 |
JPH02500447A (ja) | 1990-02-15 |
CN1017998B (zh) | 1992-08-26 |
ATE60931T1 (de) | 1991-03-15 |
US5346515A (en) | 1994-09-13 |
ES2008269A6 (es) | 1989-07-16 |
DE3768091D1 (de) | 1991-03-28 |
EP0329673A1 (de) | 1989-08-30 |
PL153818B1 (en) | 1991-06-28 |
EP0329673B1 (de) | 1991-02-20 |
CN87107590A (zh) | 1988-07-06 |
DE3635215C2 (pt) | 1990-07-05 |
PL154876B1 (en) | 1991-09-30 |
SU1828465A3 (en) | 1993-07-15 |
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