JPS62136223A - 圧力交代吸着方法 - Google Patents
圧力交代吸着方法Info
- Publication number
- JPS62136223A JPS62136223A JP61292252A JP29225286A JPS62136223A JP S62136223 A JPS62136223 A JP S62136223A JP 61292252 A JP61292252 A JP 61292252A JP 29225286 A JP29225286 A JP 29225286A JP S62136223 A JPS62136223 A JP S62136223A
- Authority
- JP
- Japan
- Prior art keywords
- partial
- adsorption
- pressure
- adsorption device
- gas
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 72
- 238000001179 sorption measurement Methods 0.000 claims abstract description 318
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims description 138
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 238000011067 equilibration Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003463 adsorbent Substances 0.000 claims description 6
- 230000000274 adsorptive effect Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000005201 scrubbing Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 claims 1
- 239000008246 gaseous mixture Substances 0.000 abstract 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000010926 purge Methods 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910002090 carbon oxide Inorganic materials 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- 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
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/102—Nitrogen
-
- 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
- B01D2257/504—Carbon dioxide
-
- 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
- B01D2259/40001—Methods relating to additional, e.g. intermediate, treatment of 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
- B01D2259/40007—Controlling pressure or temperature swing adsorption
-
- 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
- B01D2259/40013—Pressurization
- B01D2259/40015—Pressurization 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
- B01D2259/40013—Pressurization
- B01D2259/40018—Pressurization with more than three 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
- B01D2259/40028—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
- B01D2259/40028—Depressurization
- B01D2259/40032—Depressurization with three 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
- B01D2259/40028—Depressurization
- B01D2259/40033—Depressurization with more than three 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
- B01D2259/403—Further details for adsorption processes and devices using three 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
- B01D2259/4062—Further details for adsorption processes and devices using more than four beds using six 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
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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 Of Gases By Adsorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853543468 DE3543468A1 (de) | 1985-12-09 | 1985-12-09 | Druckwechseladsorptionsverfahren |
| DE3543468.6 | 1985-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62136223A true JPS62136223A (ja) | 1987-06-19 |
Family
ID=6288011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61292252A Pending JPS62136223A (ja) | 1985-12-09 | 1986-12-08 | 圧力交代吸着方法 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4732578A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0225605B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPS62136223A (cg-RX-API-DMAC7.html) |
| CN (1) | CN1005611B (cg-RX-API-DMAC7.html) |
| AT (1) | ATE46453T1 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1276889C (cg-RX-API-DMAC7.html) |
| DE (2) | DE3543468A1 (cg-RX-API-DMAC7.html) |
| IN (1) | IN168855B (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA869219B (cg-RX-API-DMAC7.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008501514A (ja) * | 2004-06-11 | 2008-01-24 | 成都天立化工科技有限公司 | 二段全回収変圧吸着によるガス分離方法 |
| US7824472B2 (en) | 2005-11-14 | 2010-11-02 | Taiyo Nippon Sanso Corporation | Method and apparatus for pressure swing adsorption |
| KR20160137622A (ko) * | 2014-03-28 | 2016-11-30 | 스미토모 세이카 가부시키가이샤 | 목적 가스의 정제 방법 및 정제 장치 |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2660703B2 (ja) * | 1987-12-26 | 1997-10-08 | 住友精化株式会社 | 混合ガスから炭酸ガスを吸着分離回収する方法 |
| US4914218A (en) * | 1989-02-17 | 1990-04-03 | Ravi Kumar | Adsorptive process for separating multicomponent gas mixtures |
| US4913709A (en) * | 1989-02-17 | 1990-04-03 | Ravi Kumar | Adsorption process for recovering two high purity gas products from multicomponent gas mixtures |
| US5106396A (en) * | 1989-12-28 | 1992-04-21 | Mitariten Michael J | Adsorption processes with intermediate product recovery using two adsorption zones |
| US5042995A (en) * | 1989-12-28 | 1991-08-27 | Uop | Pressure swing adsorption with intermediate product recovery using two adsorption zones |
| US5163980A (en) * | 1991-10-22 | 1992-11-17 | Kovach J Louis | Water removal from humid gases laden with organic contaminants by series adsorption |
| US5382280A (en) * | 1993-11-16 | 1995-01-17 | Air Products And Chemicals, Inc. | Two stage pressure swing adsorption process for producing the less strongly adsorbed component of a feed gas mixture |
| US5403385A (en) * | 1994-02-08 | 1995-04-04 | Alberta Research Council | Serial flow pressure swing adsorption process for gas separation |
| US5656067A (en) * | 1996-02-23 | 1997-08-12 | Air Products And Chemicals, Inc. | VSA adsorption process with energy recovery |
| FR2751641B1 (fr) * | 1996-07-26 | 1998-09-11 | Inst Francais Du Petrole | Procede de separation isoalcanes/n-alcanes par adsorption en phase gazeuse utilisant une modulation de pression et quatre adsorbeurs |
| US6379431B1 (en) * | 2000-01-20 | 2002-04-30 | Air Products And Chemicals, Inc. | Pressure swing adsorption process with multiple beds on purge and/or with ten beds and four pressure equalization steps |
| US6454838B1 (en) * | 2000-06-21 | 2002-09-24 | Air Products And Chemicals, Inc. | Six bed pressure swing adsorption process with four steps of pressure equalization |
| JPWO2002051523A1 (ja) * | 2000-12-26 | 2004-04-22 | 住友精化株式会社 | 目的ガスの分離方法および分離装置 |
| SE523278C2 (sv) * | 2001-10-11 | 2004-04-06 | Ifoe Ceramics Ab | Förfarande och anordning för framställning av syre eller syreberikad luft |
| US8435328B2 (en) | 2011-01-11 | 2013-05-07 | Praxair Technology, Inc. | Ten bed pressure swing adsorption process operating in normal and turndown modes |
| US8491704B2 (en) | 2011-01-11 | 2013-07-23 | Praxair Technology, Inc. | Six bed pressure swing adsorption process operating in normal and turndown modes |
| US8551217B2 (en) | 2011-01-11 | 2013-10-08 | Praxair Technology, Inc. | Six bed pressure swing adsorption process operating in normal and turndown modes |
| US8496733B2 (en) | 2011-01-11 | 2013-07-30 | Praxair Technology, Inc. | Large scale pressure swing adsorption systems having process cycles operating in normal and turndown modes |
| CN102226949B (zh) * | 2011-04-20 | 2014-03-19 | 衡阳师范学院 | 一种提高放射性气体吸附量和除氢的方法及装置 |
| DE102012005108A1 (de) * | 2012-03-14 | 2013-09-19 | Airtech Stickstoff Gmbh | Verfahren und Vorrichtung zur Druckwechsel-Adsorption |
| US10137401B2 (en) * | 2013-12-20 | 2018-11-27 | Koninklijke Philips N.V. | Oxygen separator with rapid diagnostic |
| FR3017804B1 (fr) * | 2014-02-24 | 2018-01-26 | Nitrocraft | Dispositif de purification avec colonnes d'adsorption en serie |
| CN112742170B (zh) * | 2019-10-31 | 2023-04-07 | 中国石油化工股份有限公司 | 一种高含氮能源气体净化方法 |
| WO2021207906A1 (zh) * | 2020-04-14 | 2021-10-21 | 成都盈辰科技有限公司 | 一种移动式变压吸附氧气生产装置的方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2918140A (en) * | 1958-06-20 | 1959-12-22 | Sun Oil Co | Treatment of gas mixtures |
| US3150942A (en) * | 1959-10-19 | 1964-09-29 | Chemical Construction Corp | Method of purifying a hydrogen gas stream by passing said gas in series through 13x and 4a or 5a molecular sieves |
| US3102013A (en) * | 1960-08-02 | 1963-08-27 | Exxon Research Engineering Co | Heatless fractionation utilizing zones in series and parallel |
| US3149934A (en) * | 1961-07-13 | 1964-09-22 | Exxon Research Engineering Co | Cyclic adsorption process |
| NL288999A (cg-RX-API-DMAC7.html) * | 1962-02-26 | |||
| GB1038535A (en) * | 1964-03-10 | 1966-08-10 | British Oxygen Co Ltd | Process and apparatus for the removal of one or more constituents from a gas mixture |
| FR2070387A5 (cg-RX-API-DMAC7.html) * | 1969-12-03 | 1971-09-10 | Air Liquide | |
| GB1449864A (en) * | 1973-10-24 | 1976-09-15 | Boc International Ltd | Adsorption system |
| US4013429A (en) * | 1975-06-04 | 1977-03-22 | Air Products And Chemicals, Inc. | Fractionation of air by adsorption |
| 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 |
| GB1594454A (en) * | 1976-12-23 | 1981-07-30 | Boc Ltd | Gas separation |
| US4171207A (en) * | 1978-08-21 | 1979-10-16 | Air Products And Chemicals, Inc. | Separation of multicomponent gas mixtures by pressure swing adsorption |
| US4375363A (en) * | 1978-12-05 | 1983-03-01 | Union Carbide Corporation | Selective adsorption process for production of ammonia synthesis gas mixtures |
| US4475929A (en) * | 1978-12-05 | 1984-10-09 | Union Carbide Corporation | Selective adsorption process |
| DE3122701A1 (de) * | 1981-06-06 | 1982-12-23 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur trennung von gasgemischen mittels druckwechseltechnik |
| DE3132758A1 (de) * | 1981-08-19 | 1983-03-03 | Linde Ag, 6200 Wiesbaden | Absorptionsverfahren |
| US4381189A (en) * | 1981-10-27 | 1983-04-26 | Union Carbide Corporation | Pressure swing adsorption process and system |
| US4376639A (en) * | 1981-12-10 | 1983-03-15 | Calgon Corporation | Novel repressurization of pressure swing adsorption system |
| US4376640A (en) * | 1981-12-10 | 1983-03-15 | Calgon Corporation | Repressurization of pressure swing adsorption system |
-
1985
- 1985-12-09 DE DE19853543468 patent/DE3543468A1/de not_active Withdrawn
-
1986
- 1986-12-03 DE DE8686116821T patent/DE3665674D1/de not_active Expired
- 1986-12-03 AT AT86116821T patent/ATE46453T1/de not_active IP Right Cessation
- 1986-12-03 EP EP86116821A patent/EP0225605B1/de not_active Expired
- 1986-12-05 ZA ZA869219A patent/ZA869219B/xx unknown
- 1986-12-06 CN CN86108064.5A patent/CN1005611B/zh not_active Expired
- 1986-12-08 JP JP61292252A patent/JPS62136223A/ja active Pending
- 1986-12-09 US US06/939,911 patent/US4732578A/en not_active Expired - Lifetime
- 1986-12-09 IN IN954/MAS/86A patent/IN168855B/en unknown
- 1986-12-09 CA CA000524879A patent/CA1276889C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008501514A (ja) * | 2004-06-11 | 2008-01-24 | 成都天立化工科技有限公司 | 二段全回収変圧吸着によるガス分離方法 |
| US7824472B2 (en) | 2005-11-14 | 2010-11-02 | Taiyo Nippon Sanso Corporation | Method and apparatus for pressure swing adsorption |
| KR20160137622A (ko) * | 2014-03-28 | 2016-11-30 | 스미토모 세이카 가부시키가이샤 | 목적 가스의 정제 방법 및 정제 장치 |
| JPWO2015146766A1 (ja) * | 2014-03-28 | 2017-04-13 | 住友精化株式会社 | 目的ガスの精製方法および精製装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0225605A1 (de) | 1987-06-16 |
| CA1276889C (en) | 1990-11-27 |
| US4732578A (en) | 1988-03-22 |
| IN168855B (cg-RX-API-DMAC7.html) | 1991-06-29 |
| DE3665674D1 (en) | 1989-10-26 |
| CN1005611B (zh) | 1989-11-01 |
| ATE46453T1 (de) | 1989-10-15 |
| EP0225605B1 (de) | 1989-09-20 |
| CN86108064A (zh) | 1987-07-01 |
| ZA869219B (en) | 1987-07-29 |
| DE3543468A1 (de) | 1987-06-11 |
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| JPS6238281B2 (cg-RX-API-DMAC7.html) |