MTP942B - Cryogonic process for removing acid gases from gas mixtures by means of a solvent - Google Patents
Cryogonic process for removing acid gases from gas mixtures by means of a solventInfo
- Publication number
- MTP942B MTP942B MT942A MTP942A MTP942B MT P942 B MTP942 B MT P942B MT 942 A MT942 A MT 942A MT P942 A MTP942 A MT P942A MT P942 B MTP942 B MT P942B
- Authority
- MT
- Malta
- Prior art keywords
- cryogonic
- solvent
- gas mixtures
- acid gases
- removing acid
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0266—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of carbon dioxide
-
- 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
- B01D53/14—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 absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
-
- 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
- B01D53/14—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 absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/11—Purification; Separation; Use of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
- F25J3/0209—Natural gas or substitute natural gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
- F25J3/0223—H2/CO mixtures, i.e. synthesis gas; Water gas or shifted synthesis gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0233—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 1 carbon atom or more
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0271—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of H2/CO mixtures, i.e. of synthesis gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/50—Processes or apparatus using other separation and/or other processing means using absorption, i.e. with selective solvents or lean oil, heavier CnHm and including generally a regeneration step for the solvent or lean oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
- F25J2220/66—Separating acid gases, e.g. CO2, SO2, H2S or RSH
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19177/83A IT1193602B (en) | 1983-01-19 | 1983-01-19 | CRYOGENIC PROCEDURE FOR REMOVAL OF ACID GASES FROM GAS MIXTURES BY SOLVENT |
Publications (1)
Publication Number | Publication Date |
---|---|
MTP942B true MTP942B (en) | 1984-07-16 |
Family
ID=11155539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MT942A MTP942B (en) | 1983-01-19 | 1983-12-30 | Cryogonic process for removing acid gases from gas mixtures by means of a solvent |
Country Status (18)
Country | Link |
---|---|
US (1) | US4591370A (en) |
AU (1) | AU2280083A (en) |
BR (1) | BR8400286A (en) |
CA (1) | CA1220411A (en) |
DE (1) | DE3401593A1 (en) |
ES (1) | ES529394A0 (en) |
FR (1) | FR2539322A1 (en) |
GB (1) | GB2133717B (en) |
GR (1) | GR81688B (en) |
IN (1) | IN159634B (en) |
IT (1) | IT1193602B (en) |
MT (1) | MTP942B (en) |
MY (1) | MY101548A (en) |
NO (1) | NO840156L (en) |
NZ (1) | NZ206616A (en) |
OA (1) | OA07635A (en) |
PL (1) | PL245780A1 (en) |
YU (1) | YU8984A (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1190357B (en) * | 1985-05-24 | 1988-02-16 | Snam Progetti | CRYOGENIC PROCEDURE FOR REMOVAL OF ACID GASES FROM GAS MIXTURES BY SOLVENT |
DE3709363C1 (en) * | 1987-03-21 | 1988-08-18 | Metallgesellschaft Ag | Process for treating two loaded wash solution streams |
FR2615184B1 (en) * | 1987-05-15 | 1989-06-30 | Elf Aquitaine | CRYOGENIC PROCESS FOR SELECTIVE DESULFURIZATION AND SIMULTANEOUS DEGAZOLINATION OF A GAS MIXTURE MAINLY CONSISTING OF METHANE AND CONTAINING H2S AS WELL AS C2 AND MORE HYDROCARBONS |
US5019143A (en) * | 1987-09-23 | 1991-05-28 | Mehrta Yuv R | Low pressure noncryogenic processing for ethylene recovery |
ZA899705B (en) * | 1989-01-26 | 1990-09-26 | Aeci Ltd | Purification of gases |
JPH0418911A (en) * | 1990-05-14 | 1992-01-23 | Toho Chem Ind Co Ltd | Removal of acidic component from gas |
AT394953B (en) * | 1990-07-23 | 1992-08-10 | Schmid Peter J | Process for removing hydrogen sulphide from gas mixtures |
JP2792777B2 (en) * | 1992-01-17 | 1998-09-03 | 関西電力株式会社 | Method for removing carbon dioxide from flue gas |
DE19829389C1 (en) * | 1998-07-01 | 2000-01-05 | Krupp Uhde Gmbh | Process for the recovery of gases |
US7147691B2 (en) * | 2002-09-27 | 2006-12-12 | 1058238 Alberta Ltd. | Acid gas enrichment process |
CA2405719A1 (en) * | 2002-09-27 | 2004-03-27 | Gary Palmer | Acid gas enrichment process |
FR2960287A1 (en) * | 2010-05-20 | 2011-11-25 | Air Liquide | Method for separating gas mixture containing hydrogen, carbon monoxide, solvent and methane, involves separating solventless gas flow by cryogenic distillation and/or cryogenic washing to form carbon monoxide and hydrogen enriched flows |
MX2012013106A (en) * | 2010-06-17 | 2013-01-22 | Union Engineering As | Method and apparatus for the purification of carbon dioxide using liquide carbon dioxide. |
EP3666365A1 (en) * | 2018-12-14 | 2020-06-17 | L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude | Method for regenerating a loaded scrubbin agent from a physically acting gas scrubber and device for physically acting gas scrubber |
EP4245401A1 (en) * | 2022-03-18 | 2023-09-20 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method and system for removing carbon dioxide from synthesis gas |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL68945C (en) * | 1946-11-04 | |||
GB728444A (en) * | 1950-12-09 | 1955-04-20 | Linde Eismasch Ag | Improvements in or relating to drying or purifying natural gases or waste gases fromhydrogenating or cracking processes |
BE520083A (en) * | 1952-05-21 | |||
US2926753A (en) * | 1958-10-06 | 1960-03-01 | Fluor Corp | Process for carbon dioxide absorption |
DE1567690B2 (en) * | 1965-11-15 | 1974-02-14 | Metallgesellschaft Ag, 6000 Frankfurt | Process for the production of hydrogen from CO and H deep 2-rich, CO deep 2 and sulfur compounds containing raw gases |
GB1196610A (en) * | 1966-10-11 | 1970-07-01 | Lummus Co | Purification of Gases |
US3718006A (en) * | 1968-12-11 | 1973-02-27 | Linde Ag | Process for selective absorption |
IT1056904B (en) * | 1976-03-05 | 1982-02-20 | Snam Progetti | PROCEDURE FOR THE PURIFICATION OF NATURAL GASES WITH HIGH CONTENT OF ACID GASES |
GB1545855A (en) * | 1977-01-31 | 1979-05-16 | Groom H | Machine and guard assembly therefor |
DE2909335A1 (en) * | 1979-03-09 | 1980-09-18 | Linde Ag | METHOD AND DEVICE FOR DISASSEMBLING NATURAL GAS |
IT1211081B (en) * | 1981-07-23 | 1989-09-29 | Snam Progetti | CRYOGENIC PROCEDURE FOR REMOVAL OF ACID GASES FROM GAS MIXTURES. |
MTP913B (en) * | 1981-07-23 | 1984-04-10 | Snam Progetti | Cryogenic process for fracionally removing audie gases from gas mixtures |
-
1983
- 1983-01-19 IT IT19177/83A patent/IT1193602B/en active
- 1983-12-19 NZ NZ206616A patent/NZ206616A/en unknown
- 1983-12-21 GR GR73310A patent/GR81688B/el unknown
- 1983-12-22 AU AU22800/83A patent/AU2280083A/en not_active Abandoned
- 1983-12-27 US US06/565,459 patent/US4591370A/en not_active Expired - Fee Related
- 1983-12-30 MT MT942A patent/MTP942B/en unknown
-
1984
- 1984-01-04 GB GB08400060A patent/GB2133717B/en not_active Expired
- 1984-01-05 FR FR8400131A patent/FR2539322A1/en not_active Withdrawn
- 1984-01-05 CA CA000444756A patent/CA1220411A/en not_active Expired
- 1984-01-17 NO NO840156A patent/NO840156L/en unknown
- 1984-01-17 ES ES529394A patent/ES529394A0/en active Granted
- 1984-01-18 PL PL24578084A patent/PL245780A1/en unknown
- 1984-01-18 OA OA58207A patent/OA07635A/en unknown
- 1984-01-18 IN IN28/MAS/84A patent/IN159634B/en unknown
- 1984-01-18 DE DE19843401593 patent/DE3401593A1/en not_active Ceased
- 1984-01-19 YU YU00089/84A patent/YU8984A/en unknown
- 1984-01-19 BR BR8400286A patent/BR8400286A/en unknown
-
1987
- 1987-02-17 MY MYPI87000160A patent/MY101548A/en unknown
Also Published As
Publication number | Publication date |
---|---|
US4591370A (en) | 1986-05-27 |
IN159634B (en) | 1987-05-30 |
CA1220411A (en) | 1987-04-14 |
IT1193602B (en) | 1988-07-21 |
NO840156L (en) | 1984-07-20 |
GB8400060D0 (en) | 1984-02-08 |
OA07635A (en) | 1985-05-23 |
IT8319177A0 (en) | 1983-01-19 |
GR81688B (en) | 1984-12-12 |
NZ206616A (en) | 1986-11-12 |
MY101548A (en) | 1991-12-17 |
BR8400286A (en) | 1984-08-28 |
DE3401593A1 (en) | 1984-07-19 |
ES8506204A1 (en) | 1985-07-01 |
FR2539322A1 (en) | 1984-07-20 |
GB2133717B (en) | 1987-02-25 |
YU8984A (en) | 1986-06-30 |
PL245780A1 (en) | 1984-08-27 |
ES529394A0 (en) | 1985-07-01 |
GB2133717A (en) | 1984-08-01 |
AU2280083A (en) | 1984-07-26 |
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