ATE84242T1 - Integriertes druckwechseladsorptions/membrantrennungsverfahr n. - Google Patents
Integriertes druckwechseladsorptions/membrantrennungsverfahr n.Info
- Publication number
- ATE84242T1 ATE84242T1 AT88114202T AT88114202T ATE84242T1 AT E84242 T1 ATE84242 T1 AT E84242T1 AT 88114202 T AT88114202 T AT 88114202T AT 88114202 T AT88114202 T AT 88114202T AT E84242 T1 ATE84242 T1 AT E84242T1
- Authority
- AT
- Austria
- Prior art keywords
- swing adsorption
- pressure swing
- membrane separation
- gas
- separation process
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/10—Nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/16—Hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/20—Carbon monoxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/104—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
- B01D2257/7025—Methane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40028—Depressurization
- B01D2259/4003—Depressurization with two sub-steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40052—Recycled product or process gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/40064—Five
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/40066—Six
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/404—Further details for adsorption processes and devices using four beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/406—Further details for adsorption processes and devices using more than four beds
- B01D2259/4061—Further details for adsorption processes and devices using more than four beds using five beds
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/20—Capture or disposal of greenhouse gases of methane
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Gases By Adsorption (AREA)
- Carbon And Carbon Compounds (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Hydrogen, Water And Hydrids (AREA)
- External Artificial Organs (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/111,452 US4783203A (en) | 1987-10-22 | 1987-10-22 | Integrated pressure swing adsorption/membrane separation process |
EP88114202A EP0312743B1 (de) | 1987-10-22 | 1988-08-31 | Integriertes Druckwechseladsorptions/Membrantrennungsverfahren |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE84242T1 true ATE84242T1 (de) | 1993-01-15 |
Family
ID=22338639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88114202T ATE84242T1 (de) | 1987-10-22 | 1988-08-31 | Integriertes druckwechseladsorptions/membrantrennungsverfahr n. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4783203A (de) |
EP (1) | EP0312743B1 (de) |
JP (1) | JPH0677663B2 (de) |
KR (1) | KR930001600B1 (de) |
CN (1) | CN1012419B (de) |
AT (1) | ATE84242T1 (de) |
BR (1) | BR8804447A (de) |
CA (1) | CA1314491C (de) |
DE (1) | DE3877315T2 (de) |
ES (1) | ES2037162T3 (de) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4863492A (en) * | 1988-11-28 | 1989-09-05 | Uop | Integrated membrane/PSA process and system |
GB8906594D0 (en) * | 1989-03-22 | 1989-05-04 | Boc Group Plc | Separation of gas mixtures |
US5004482A (en) * | 1989-05-12 | 1991-04-02 | Union Carbide Corporation | Production of dry, high purity nitrogen |
US4952219A (en) * | 1989-09-29 | 1990-08-28 | Air Products And Chemicals, Inc. | Membrane drying of gas feeds to low temperature units |
DE4004532C2 (de) * | 1990-02-14 | 1996-05-09 | Fraunhofer Ges Forschung | Verfahren zur Regenerierung von Adsorbern |
US5034026A (en) * | 1990-04-20 | 1991-07-23 | The Dow Chemical Company | Polybenzazole polymers containing indan moieties |
US5090973A (en) * | 1990-10-23 | 1992-02-25 | The Boc Group, Inc. | Psa employing high purity purging |
JP2981302B2 (ja) * | 1991-05-13 | 1999-11-22 | 東洋エンジニアリング株式会社 | ガスの分離方法 |
JP2981304B2 (ja) * | 1991-05-13 | 1999-11-22 | 東洋エンジニアリング株式会社 | ガス分離方法 |
US5346535A (en) * | 1991-08-23 | 1994-09-13 | Engelhard Corporation | Use of crystalline molecular sieves containing charged octahedral sites in removing volatile organic compounds from a mixture of the same |
US5163978A (en) * | 1991-10-08 | 1992-11-17 | Praxair Technology, Inc. | Dual product pressure swing adsorption process and system |
US5207806A (en) * | 1991-10-08 | 1993-05-04 | Praxair Technology, Inc. | Dual product pressure swing adsorption and membrane operations |
US5281258A (en) * | 1992-12-21 | 1994-01-25 | Uop | Removal of mercury impurity from natural gas |
US5281259A (en) * | 1992-12-21 | 1994-01-25 | Uop | Removal and recovery of mercury from fluid streams |
US5411721A (en) * | 1992-12-29 | 1995-05-02 | Uop | Process for the rejection of CO2 from natural gas |
US5429664A (en) * | 1993-02-22 | 1995-07-04 | Air Products And Chemicals, Inc. | Pressure swing absorption with recycle of void space gas |
DE4324526A1 (de) * | 1993-07-21 | 1995-01-26 | Linde Ag | Verfahren und Vorrichtung zur Reinigung und Zerlegung eines Gasgemisches |
US5435836A (en) * | 1993-12-23 | 1995-07-25 | Air Products And Chemicals, Inc. | Hydrogen recovery by adsorbent membranes |
FR2730790B1 (fr) * | 1995-02-17 | 1997-05-23 | Air Liquide | Procede d'introduction d'un gaz de remplissage dans une enceinte et installation de mise en oeuvre |
US5557030A (en) * | 1995-03-23 | 1996-09-17 | Uop | Process for rejecting heavy hydrocarbons from light hydrocarbons gases |
US5669958A (en) * | 1996-02-29 | 1997-09-23 | Membrane Technology And Research, Inc. | Methane/nitrogen separation process |
US5827351A (en) * | 1997-02-14 | 1998-10-27 | Praxair Technology, Inc. | Air separation system and method |
US5944874A (en) * | 1997-06-23 | 1999-08-31 | Praxair Technology, Inc. | Solid electrolyte ionic conductor systems for the production of high purity nitrogen |
US6011192A (en) * | 1998-05-22 | 2000-01-04 | Membrane Technology And Research, Inc. | Membrane-based conditioning for adsorption system feed gases |
US6183628B1 (en) | 1999-03-19 | 2001-02-06 | Membrane Technology And Research, Inc. | Process, including PSA and membrane separation, for separating hydrogen from hydrocarbons |
US6592749B1 (en) | 1999-03-19 | 2003-07-15 | Membrane Technology And Research, Inc. | Hydrogen/hydrocarbon separation process, including PSA and membranes |
US6589303B1 (en) | 1999-12-23 | 2003-07-08 | Membrane Technology And Research, Inc. | Hydrogen production by process including membrane gas separation |
FR2833183B1 (fr) * | 2001-12-12 | 2004-01-23 | Air Liquide | Procede de traitement par adsorption d'un melange gazeux, et installation de production de monoxyde de carbone comportant une unite de traitement de mise en oeuvre d'un tel procede |
FR2836058A1 (fr) * | 2002-02-18 | 2003-08-22 | Air Liquide | Procede de separation d'un melange gazeux et installation de mise en oeuvre d'un tel procede |
JP2003299931A (ja) * | 2002-04-05 | 2003-10-21 | Sanyo Electric Industries Co Ltd | ガス分離方法及びガス分離装置 |
US7025803B2 (en) | 2002-12-02 | 2006-04-11 | L'Air Liquide Societe Anonyme A Directoire et Counsel de Surveillance Pour L'Etude et L'Exploration des Procedes Georges Claude | Methane recovery process |
FR2873594B1 (fr) * | 2004-07-28 | 2006-09-29 | Air Liquide | Installation de production d'oxygene de haute purete |
CN100358609C (zh) * | 2005-11-03 | 2008-01-02 | 赵士华 | 一种煤层气浓缩方法 |
US20090223229A1 (en) * | 2006-12-19 | 2009-09-10 | Hua Wang | Method and System for Using Low BTU Fuel Gas in a Gas Turbine |
US7575624B2 (en) * | 2006-12-19 | 2009-08-18 | Uop Pllc | Molecular sieve and membrane system to purify natural gas |
US8480789B2 (en) * | 2007-07-10 | 2013-07-09 | Manufactured Methane Corporation | Landfill gas purification method and system |
US7815713B2 (en) * | 2007-07-10 | 2010-10-19 | Manufactured Methane Corp. | Landfill gas purification method and system |
CN102026702B (zh) * | 2008-05-12 | 2013-08-21 | 膜技术研究股份有限公司 | 利用膜及渗透吹扫从燃烧气体中除去二氧化碳的气体分离工艺 |
US8137435B2 (en) * | 2009-03-31 | 2012-03-20 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Carbon dioxide recovery from low concentration sources |
CN101874962B (zh) * | 2010-04-28 | 2012-08-22 | 上海戊正工程技术有限公司 | 一种分离羰基合成原料气的工艺及配套*** |
US8282707B2 (en) | 2010-06-30 | 2012-10-09 | Uop Llc | Natural gas purification system |
CN101961591B (zh) * | 2010-09-29 | 2012-08-29 | 中国舰船研究设计中心 | 多循环常温空气分离***和方法 |
WO2012117325A1 (en) * | 2011-03-03 | 2012-09-07 | Koninklijke Philips Electronics N.V. | Method and arrangement for generating oxygen |
US8568512B2 (en) | 2011-04-29 | 2013-10-29 | A.R.C. Technologies Corporation | Method and system for methane separation and purification from a biogas |
CN103007674A (zh) * | 2011-09-27 | 2013-04-03 | 上海弘中实业有限公司 | 基于分子大小排列优先过滤技术和变压吸附制氧技术相结合的复合高浓度制氧机 |
US9044703B2 (en) | 2012-02-22 | 2015-06-02 | Imtex Membranes Corp. | Unsteady-state gas permeation process |
CN102674249B (zh) * | 2012-06-11 | 2014-05-21 | 四川亚连科技有限责任公司 | 一段式变压吸附膜分离提纯氢气的方法及实现装置 |
SG10201705168PA (en) * | 2012-12-28 | 2017-07-28 | Osaka Gas Co Ltd | Gas purification apparatus |
CN103467229B (zh) * | 2013-09-18 | 2015-01-07 | 中石化上海工程有限公司 | 一种变压吸附与膜分离组合分离正异构烷烃的方法 |
US9517933B2 (en) * | 2013-09-23 | 2016-12-13 | Uop Llc | Process for catalytic reforming |
CN104815521B (zh) * | 2013-11-11 | 2017-04-12 | 天津大学 | 基于八塔并联的三元组分的变压吸附分离方法 |
CN103601159B (zh) * | 2013-11-25 | 2016-06-08 | 广东太安伊侨气体设备有限公司 | Tqn全自动量控节能氮气机 |
US9381460B2 (en) | 2014-09-11 | 2016-07-05 | Air Products And Chemicals, Inc. | Pressure swing adsorption process |
EP2823872A3 (de) | 2014-09-11 | 2015-05-06 | Air Products And Chemicals, Inc. | Druckwechsel-Adsorptionsverfahren |
US9387430B2 (en) | 2014-11-19 | 2016-07-12 | Apache Corporation | Methods and systems of enhanced carbon dioxide recovery |
JP6091681B1 (ja) * | 2016-03-31 | 2017-03-08 | 大阪瓦斯株式会社 | 圧力変動吸着式ガス製造装置 |
CN107789949B (zh) * | 2016-08-30 | 2020-06-16 | 四川天采科技有限责任公司 | 一种负压变压吸附的气体分离方法 |
CN106629602A (zh) * | 2016-12-09 | 2017-05-10 | 中国石油天然气股份有限公司大连石化分公司 | 一种变压吸附与膜分离耦合的回收氢气***及其方法 |
KR101987804B1 (ko) * | 2017-11-17 | 2019-06-12 | 한국에너지기술연구원 | 압력순환흡착방법 및 압력순환흡착장치 |
US10478770B2 (en) | 2017-12-21 | 2019-11-19 | Air Products And Chemicals, Inc. | Separation process and apparatus for light noble gas |
US10843121B2 (en) | 2017-12-21 | 2020-11-24 | Air Products And Chemicals, Inc. | Separation process and apparatus for light noble gas |
CN109316899B (zh) * | 2018-10-17 | 2021-06-04 | 浙江天采云集科技股份有限公司 | Psa回收低浓度吸附相与非吸附相组分的解吸方法 |
CN109364691B (zh) * | 2018-10-17 | 2021-06-04 | 四川天采科技有限责任公司 | 一种psa同时回收吸附相与非吸附相组分的不对称解吸方法 |
IT201900022983A1 (it) * | 2019-12-04 | 2021-06-04 | Ab Impianti Srl | Impianto e metodo per la separazione di una miscela di gas contenente una pluralità di componenti, in particolare per l'ottenimento di biometano |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3430418A (en) * | 1967-08-09 | 1969-03-04 | Union Carbide Corp | Selective adsorption process |
US3986849A (en) * | 1975-11-07 | 1976-10-19 | Union Carbide Corporation | Selective adsorption process |
DE2604305A1 (de) * | 1976-02-04 | 1977-08-11 | Linde Ag | Verfahren zum zerlegen von gasgemischen |
US4264338A (en) * | 1977-11-02 | 1981-04-28 | Monsanto Company | Method for separating gases |
US4238204A (en) * | 1979-06-18 | 1980-12-09 | Monsanto Company | Selective adsorption process |
US4229188A (en) * | 1979-06-18 | 1980-10-21 | Monsanto Company | Selective adsorption process |
US4398926A (en) * | 1982-04-23 | 1983-08-16 | Union Carbide Corporation | Enhanced hydrogen recovery from low purity gas streams |
US4639257A (en) * | 1983-12-16 | 1987-01-27 | Costain Petrocarbon Limited | Recovery of carbon dioxide from gas mixture |
US4645516A (en) * | 1985-05-24 | 1987-02-24 | Union Carbide Corporation | Enhanced gas separation process |
US4690695A (en) * | 1986-04-10 | 1987-09-01 | Union Carbide Corporation | Enhanced gas separation process |
ZA876419B (en) * | 1986-10-01 | 1988-06-29 | Boc Group Inc | Psa process and apparatus employing gaseous diffusion barriers |
US4701187A (en) * | 1986-11-03 | 1987-10-20 | Air Products And Chemicals, Inc. | Process for separating components of a gas stream |
US4723966A (en) * | 1986-12-11 | 1988-02-09 | Union Carbide Corporation | Gas separation by pressure swing adsorption |
-
1987
- 1987-10-22 US US07/111,452 patent/US4783203A/en not_active Expired - Fee Related
-
1988
- 1988-08-31 CA CA000576241A patent/CA1314491C/en not_active Expired - Fee Related
- 1988-08-31 CN CN88107583A patent/CN1012419B/zh not_active Expired
- 1988-08-31 DE DE8888114202T patent/DE3877315T2/de not_active Expired - Fee Related
- 1988-08-31 KR KR1019880011102A patent/KR930001600B1/ko not_active IP Right Cessation
- 1988-08-31 ES ES198888114202T patent/ES2037162T3/es not_active Expired - Lifetime
- 1988-08-31 JP JP63215337A patent/JPH0677663B2/ja not_active Expired - Lifetime
- 1988-08-31 EP EP88114202A patent/EP0312743B1/de not_active Expired - Lifetime
- 1988-08-31 BR BR8804447A patent/BR8804447A/pt not_active IP Right Cessation
- 1988-08-31 AT AT88114202T patent/ATE84242T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930001600B1 (ko) | 1993-03-06 |
DE3877315D1 (de) | 1993-02-18 |
EP0312743B1 (de) | 1993-01-07 |
EP0312743A3 (en) | 1989-06-14 |
CN1012419B (zh) | 1991-04-24 |
KR890006285A (ko) | 1989-06-12 |
JPH01148324A (ja) | 1989-06-09 |
DE3877315T2 (de) | 1993-05-06 |
EP0312743A2 (de) | 1989-04-26 |
CA1314491C (en) | 1993-03-16 |
BR8804447A (pt) | 1989-05-23 |
CN1042312A (zh) | 1990-05-23 |
ES2037162T3 (es) | 1993-06-16 |
US4783203A (en) | 1988-11-08 |
JPH0677663B2 (ja) | 1994-10-05 |
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