NO153717C - Fremgangsmaate for selektiv separering av hydrogensulfid fra karbondioksydholdige gassformede blandinger. - Google Patents
Fremgangsmaate for selektiv separering av hydrogensulfid fra karbondioksydholdige gassformede blandinger.Info
- Publication number
- NO153717C NO153717C NO812120A NO812120A NO153717C NO 153717 C NO153717 C NO 153717C NO 812120 A NO812120 A NO 812120A NO 812120 A NO812120 A NO 812120A NO 153717 C NO153717 C NO 153717C
- Authority
- NO
- Norway
- Prior art keywords
- substanced
- procedure
- gas
- carbon dioxide
- hydrogen sulfide
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/16—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids
-
- 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
- B01D53/1468—Removing hydrogen sulfide
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/40—Absorbents explicitly excluding the presence of water
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
- Hydrogen, Water And Hydrids (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT23241/80A IT1132170B (it) | 1980-07-04 | 1980-07-04 | Processo di separazione selettiva di idrogeno solforato da miscele gassose contenenti anche anidride carbonica |
Publications (3)
Publication Number | Publication Date |
---|---|
NO812120L NO812120L (no) | 1982-01-05 |
NO153717B NO153717B (no) | 1986-02-03 |
NO153717C true NO153717C (no) | 1986-05-14 |
Family
ID=11205237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO812120A NO153717C (no) | 1980-07-04 | 1981-06-22 | Fremgangsmaate for selektiv separering av hydrogensulfid fra karbondioksydholdige gassformede blandinger. |
Country Status (26)
Country | Link |
---|---|
US (1) | US4545965A (el) |
JP (1) | JPS5747705A (el) |
AU (1) | AU542254B2 (el) |
BE (1) | BE889467A (el) |
BR (1) | BR8103870A (el) |
CA (1) | CA1165098A (el) |
CH (1) | CH649473A5 (el) |
DD (1) | DD200979A5 (el) |
DE (1) | DE3126136C2 (el) |
DK (1) | DK277081A (el) |
EG (1) | EG15364A (el) |
ES (1) | ES8205131A1 (el) |
FR (1) | FR2485945A1 (el) |
GB (1) | GB2079307B (el) |
GR (1) | GR74572B (el) |
IE (1) | IE51368B1 (el) |
IN (1) | IN155271B (el) |
IT (1) | IT1132170B (el) |
LU (1) | LU83463A1 (el) |
NL (1) | NL8103203A (el) |
NO (1) | NO153717C (el) |
NZ (1) | NZ197203A (el) |
PL (1) | PL130823B1 (el) |
SE (1) | SE445711B (el) |
SU (1) | SU1309902A3 (el) |
YU (1) | YU164881A (el) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4405580A (en) * | 1982-01-18 | 1983-09-20 | Exxon Research And Engineering Co. | Process for selective removal of H2 S from mixtures containing H22 with tertiary amino azabicyclic alcohols |
EP0087207B1 (en) * | 1982-01-18 | 1986-08-06 | Exxon Research And Engineering Company | A process for removal of h2s from gaseous streams with amino compounds |
FR2545378A1 (fr) * | 1983-05-03 | 1984-11-09 | Raffinage Cie Francaise | Procede de purification d'un melange gazeux contenant des composes gazeux indesirables |
IT1177325B (it) * | 1984-11-26 | 1987-08-26 | Snam Progetti | Procedimento per la rimozione selettiva dell'idrogeno solforato da miscele gassose contenenti anche anidride carbonica |
IT1177324B (it) * | 1984-11-26 | 1987-08-26 | Snam Progetti | Procedimento per rimuovere selettivamente l'idrogeno solforato da miscele gassose contenenti anche anidride carbonica |
EP0215911A1 (en) * | 1985-03-14 | 1987-04-01 | The Ralph M. Parsons Company | Selective absorption of hydrogene sulfide from gases which also contain carbon dioxide |
US5051205A (en) * | 1990-04-18 | 1991-09-24 | Atochem North America, Inc. | Process of forming a stable colloidal dispersion |
DE69528785T2 (de) * | 1994-03-18 | 2003-07-03 | Mitsubishi Jukogyo K.K., Tokio/Tokyo | Verfahren zur Entfernung von Schwefelwasserstoff aus Gasen |
FR2727035B1 (fr) * | 1994-11-22 | 1996-12-20 | Ceca Sa | Utilisation d'agglomeres zeolitiques au moyen d'argiles du groupe de la kaolinite pour le sechage de gaz contenant des traces d'amines |
US5683491A (en) * | 1996-04-16 | 1997-11-04 | Mobil Oil Corporation | Method for determining saturation of carbon filters in a gas treatment process |
US5733516A (en) * | 1996-09-09 | 1998-03-31 | Gas Research Institute | Process for removal of hydrogen sulfide from a gas stream |
DE19753903C2 (de) * | 1997-12-05 | 2002-04-25 | Krupp Uhde Gmbh | Verfahren zur Entfernung von CO¶2¶ und Schwefelverbindungen aus technischen Gasen, insbesondere aus Erdgas und Roh-Synthesegas |
USD419633S (en) * | 1998-10-28 | 2000-01-25 | Playcore, Inc. | Playground climbing apparatus |
EP1022046A1 (de) * | 1999-01-22 | 2000-07-26 | Krupp Uhde GmbH | Verfahren zur Entfernung von Kohlendioxid, Schwefelverbindungen, Wasser und aromatischen und höheren aliphatischen Kohlenwasserstoffen aus technischen Gasen |
US6162282A (en) * | 1999-05-10 | 2000-12-19 | Mobil Oil Corporation | Method for determining hydrocarbon saturation of carbon filters in a gas treatment process |
US6203599B1 (en) | 1999-07-28 | 2001-03-20 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the removal of gas contaminants from a product gas using polyethylene glycols |
DE19947845A1 (de) * | 1999-10-05 | 2001-04-12 | Basf Ag | Verfahren zum Entfernen von COS aus einem Kohlenwasserstoff-Fluidstrom und Waschflüssikgkeit zur Verwendung in derartigen Verfahren |
US20030057136A1 (en) * | 2001-08-22 | 2003-03-27 | Mcintush Kenneth E. | Process for recovering sulfur while sponging light hydrocarbons from hydrodesulfurization hydrogen recycle streams |
US6884282B2 (en) * | 2002-05-13 | 2005-04-26 | David K. Stevens | Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S |
MXPA05010039A (es) * | 2003-03-21 | 2005-10-26 | Dow Global Technologies Inc | Composicion mejorada y metodo para eliminar sulfuro de carbonilo del gas acido que lo contiene. |
DE102008031552A1 (de) * | 2008-07-07 | 2010-01-14 | Uhde Gmbh | Verfahren zum Entfernen von Sauergasen aus einem Gasstrom |
US20120061613A1 (en) * | 2010-09-10 | 2012-03-15 | Battelle Memorial Institute | System and process for capture of acid gasses at elevated-pressure from gaseous process streams |
US8652237B2 (en) * | 2010-12-17 | 2014-02-18 | Battelle Memorial Institute | System and process for capture of H2S from gaseous process streams and process for regeneration of the capture agent |
US9005561B2 (en) * | 2011-03-01 | 2015-04-14 | Exxonmobil Research And Engineering Company | Selective sulfur removal process |
EP2691374A4 (en) * | 2011-03-28 | 2014-08-27 | Univ Alabama | N-FUNCTIONALIZED IMIDAZO-STABLE SYSTEMS AND METHOD OF USE THEREOF |
US8951335B2 (en) * | 2011-12-07 | 2015-02-10 | Fluor Technologies Corporation | Selective caustic scrubbing using a driver gas |
FR2990878B1 (fr) | 2012-05-25 | 2014-05-16 | Total Sa | Procede de purification de melanges gazeux contenant des gaz acides. |
FR2990880B1 (fr) | 2012-05-25 | 2017-04-28 | Total Sa | Procede d'elimination selective du sulfure d'hydrogene de melanges gazeux et utilisation d'un thioalcanol pour l'elimination selective du sulfure d'hydrogene. |
FR2996464B1 (fr) | 2012-10-05 | 2015-10-16 | IFP Energies Nouvelles | Procede d'absorption selective du sulfure d'hydrogene d'un effluent gazeux comprenant du dioxyde de carbone par une solution absorbante a base d'amines comprenant un agent viscosifiant |
TWI510436B (zh) * | 2012-12-18 | 2015-12-01 | Invista Tech Sarl | 以經處理之天然氣作爲含甲烷原料之來源的氰化氫製造方法 |
US9266102B2 (en) | 2013-03-29 | 2016-02-23 | The University Of Kentucky Research Foundation | Catalysts and methods of increasing mass transfer rate of acid gas scrubbing solvents |
US9468883B2 (en) | 2013-03-29 | 2016-10-18 | The University Of Kentucky Research Foundation | Solvent and method for removal of an acid gas from a fluid stream |
US9409125B2 (en) | 2013-03-29 | 2016-08-09 | The University Of Kentucky Research Foundation | Method of increasing mass transfer rate of acid gas scrubbing solvents |
US20150027055A1 (en) * | 2013-07-29 | 2015-01-29 | Exxonmobil Research And Engineering Company | Separation of hydrogen sulfide from natural gas |
CN105658306A (zh) | 2013-10-30 | 2016-06-08 | 陶氏环球技术有限责任公司 | 用于总有机硫去除和总酸性气体去除的混合溶剂调配物 |
JP2016536389A (ja) | 2013-10-30 | 2016-11-24 | ダウ グローバル テクノロジーズ エルエルシー | 選択的h2s除去のための混成溶媒配合物 |
WO2016126957A1 (en) | 2015-02-04 | 2016-08-11 | The Board Of Trustees Of The University Of Alabama | Gas treating solutions containing imidazole-amine compounds |
US10130907B2 (en) | 2016-01-20 | 2018-11-20 | Battelle Memorial Institute | Capture and release of acid gasses using tunable organic solvents with aminopyridine |
WO2017189297A1 (en) | 2016-04-27 | 2017-11-02 | Dow Global Technologies Llc | Process for selective removal of acid gases from fluid streams using a hybrid solvent mixture |
WO2018013099A1 (en) * | 2016-07-13 | 2018-01-18 | Fluor Technologies Corporation | Heavy hydrocarbon removal from lean gas to lng liquefaction |
US20180030576A1 (en) * | 2016-07-28 | 2018-02-01 | Terrapower, Llc | Uranium hexafluoride off-gas treatment system and method |
US10456739B2 (en) | 2016-11-14 | 2019-10-29 | Battelle Memorial Institute | Capture and release of acid gasses using tunable organic solvents with binding organic liquids |
RU2736714C1 (ru) | 2017-03-03 | 2020-11-19 | Дау Глоубл Текнолоджиз Ллк | Способ отделения сероводорода от газовых смесей с использованием гибридной смеси растворителей |
US11167241B2 (en) | 2017-03-06 | 2021-11-09 | Dow Global Technologies Llc | Energy efficient process for separating hydrogen sulfide from gaseous mixtures using a hybrid solvent mixture |
US11253811B2 (en) | 2017-03-07 | 2022-02-22 | Dow Global Technologies Llc | Process for reducing energy consumption in the regeneration of hybrid solvents |
FR3067352B1 (fr) | 2017-06-09 | 2020-11-06 | Ifp Energies Now | Nouvelles polyamines, leur procede de synthese et leur utilisation pour l'elimination selective de l'h2s d'un effluent gazeux comprenant du co2 |
WO2022129975A1 (en) | 2020-12-17 | 2022-06-23 | Totalenergies Onetech | Method for the selective removal of hydrogen sulfide from a gas stream |
WO2022129977A1 (en) | 2020-12-17 | 2022-06-23 | Totalenergies Onetech | Method for recovering high purity carbon dioxide from a gas mixture |
WO2022129974A1 (en) | 2020-12-17 | 2022-06-23 | Totalenergies Onetech | Method for the selective removal of hydrogen sulfide from a gas stream |
EP4226990A1 (en) * | 2022-02-09 | 2023-08-16 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Method and apparatus for separating sulfur containing components from a bleed stream in a process plant |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA820787A (en) * | 1969-08-19 | P. Gelbein Abraham | Purification of gases | |
US2550446A (en) * | 1951-04-24 | Extraction of acidic constituents | ||
US2177068A (en) * | 1938-12-03 | 1939-10-24 | Fluor Corp | Process for treating gases |
GB1024412A (en) * | 1964-03-02 | 1966-03-30 | Shell Int Research | Removal of acidic gases from gaseous mixtures |
DE1494800C3 (de) * | 1964-08-29 | 1974-03-07 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Auswaschen saurer Gasbestandteile aus Gasen |
US3387917A (en) * | 1964-10-30 | 1968-06-11 | Dow Chemical Co | Method of removing acidic contaminants from gases |
FR1492797A (fr) * | 1965-09-18 | 1967-08-25 | Inst Francais Du Petrole | Procédé d'épuration de gaz sulfuré et de production de soufre |
US3502428A (en) * | 1966-10-12 | 1970-03-24 | Lummus Co | Purification of gases |
US3463603A (en) * | 1967-03-17 | 1969-08-26 | Shell Oil Co | Method of separating acidic gases from gaseous mixture |
NL6706653A (el) * | 1967-05-12 | 1968-05-27 | ||
US3630666A (en) * | 1969-07-30 | 1971-12-28 | Amoco Prod Co | Precontacting hydrogen sulfide containing gas streams with rich sulfinol |
DE2020366C3 (de) * | 1970-04-25 | 1978-10-26 | Krupp-Koppers Gmbh, 4300 Essen | Verfahren zum Auswaschen von sauren Bestandteilen aus Gasen |
FR2100475A5 (en) * | 1970-07-13 | 1972-03-17 | Union Carbide Corp | Selective sulphide gas absorption - using a solvent comprising water, polyoxyalkyl cpd. and N cpd. |
DE2227071C2 (de) * | 1972-06-03 | 1985-10-17 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Reinigen technischer Brenn- und Synthesegase |
JPS5262307A (en) * | 1975-11-17 | 1977-05-23 | Chiyoda Chem Eng & Constr Co Ltd | Removing of acidic gas from mixed gas |
CA1128293A (en) * | 1978-04-07 | 1982-07-27 | Roelof Cornelisse | Removal of acid gases from a gas mixture |
NL186377C (nl) * | 1978-05-23 | 1990-11-16 | Shell Int Research | Werkwijze voor het opwerken van zwavelwaterstof bevattende gassen. |
FR2439613A1 (fr) * | 1978-10-27 | 1980-05-23 | Elf Aquitaine | Procede d'extraction selective de h2s de melanges gazeux contenant du co2 |
US4238206A (en) * | 1979-03-05 | 1980-12-09 | Columbia Gas System Service Corporation | Using solvents for acidic gas removal |
US4259301A (en) * | 1979-07-30 | 1981-03-31 | Exxon Research And Engineering Co. | Removal of acidic compounds from gaseous mixtures |
US4242108A (en) * | 1979-11-07 | 1980-12-30 | Air Products And Chemicals, Inc. | Hydrogen sulfide concentrator for acid gas removal systems |
CA1205276A (en) * | 1981-06-15 | 1986-06-03 | Malcolm W. Mcewan | Process for the removal of co.sub.2 and, if present h.sub.2s from a gas mixture |
-
1980
- 1980-07-04 IT IT23241/80A patent/IT1132170B/it active
-
1981
- 1981-05-26 NZ NZ197203A patent/NZ197203A/en unknown
- 1981-06-01 IN IN587/CAL/81A patent/IN155271B/en unknown
- 1981-06-03 GB GB8116967A patent/GB2079307B/en not_active Expired
- 1981-06-04 GR GR65152A patent/GR74572B/el unknown
- 1981-06-09 AU AU71453/81A patent/AU542254B2/en not_active Ceased
- 1981-06-16 BR BR8103870A patent/BR8103870A/pt unknown
- 1981-06-16 CA CA000379872A patent/CA1165098A/en not_active Expired
- 1981-06-17 SU SU813297113A patent/SU1309902A3/ru active
- 1981-06-19 PL PL1981231781A patent/PL130823B1/pl unknown
- 1981-06-22 NO NO812120A patent/NO153717C/no unknown
- 1981-06-23 DK DK277081A patent/DK277081A/da not_active Application Discontinuation
- 1981-06-24 EG EG81361A patent/EG15364A/xx active
- 1981-06-30 JP JP56100741A patent/JPS5747705A/ja active Pending
- 1981-07-01 LU LU83463A patent/LU83463A1/fr unknown
- 1981-07-01 BE BE0/205282A patent/BE889467A/fr not_active IP Right Cessation
- 1981-07-02 DE DE3126136A patent/DE3126136C2/de not_active Expired
- 1981-07-03 NL NL8103203A patent/NL8103203A/nl not_active Application Discontinuation
- 1981-07-03 CH CH4401/81A patent/CH649473A5/it not_active IP Right Cessation
- 1981-07-03 FR FR8113168A patent/FR2485945A1/fr not_active Withdrawn
- 1981-07-03 ES ES504130A patent/ES8205131A1/es not_active Expired
- 1981-07-03 DD DD81231435A patent/DD200979A5/de unknown
- 1981-07-03 YU YU01648/81A patent/YU164881A/xx unknown
- 1981-07-03 IE IE1502/81A patent/IE51368B1/en unknown
- 1981-07-03 SE SE8104151A patent/SE445711B/sv not_active IP Right Cessation
-
1984
- 1984-04-23 US US06/602,736 patent/US4545965A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES504130A0 (es) | 1982-06-01 |
US4545965A (en) | 1985-10-08 |
SE8104151L (sv) | 1982-01-05 |
NZ197203A (en) | 1984-05-31 |
IE51368B1 (en) | 1986-12-10 |
CH649473A5 (it) | 1985-05-31 |
DD200979A5 (de) | 1983-06-29 |
ES8205131A1 (es) | 1982-06-01 |
IE811502L (en) | 1982-01-04 |
IT1132170B (it) | 1986-06-25 |
DK277081A (da) | 1982-01-05 |
GB2079307B (en) | 1984-05-10 |
GB2079307A (en) | 1982-01-20 |
PL130823B1 (en) | 1984-09-29 |
EG15364A (en) | 1986-03-31 |
YU164881A (en) | 1983-10-31 |
IT8023241A0 (it) | 1980-07-04 |
DE3126136C2 (de) | 1987-01-22 |
SU1309902A3 (ru) | 1987-05-07 |
BE889467A (fr) | 1982-01-04 |
NO812120L (no) | 1982-01-05 |
IN155271B (el) | 1985-01-12 |
GR74572B (el) | 1984-06-29 |
JPS5747705A (en) | 1982-03-18 |
AU542254B2 (en) | 1985-02-14 |
LU83463A1 (fr) | 1982-02-17 |
CA1165098A (en) | 1984-04-10 |
FR2485945A1 (fr) | 1982-01-08 |
DE3126136A1 (de) | 1982-03-11 |
BR8103870A (pt) | 1982-03-09 |
AU7145381A (en) | 1982-01-07 |
NL8103203A (nl) | 1982-02-01 |
NO153717B (no) | 1986-02-03 |
PL231781A1 (el) | 1982-02-15 |
SE445711B (sv) | 1986-07-14 |
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