JPS5684789A - High-temperature treatment of hydrocarbon-containing material - Google Patents
High-temperature treatment of hydrocarbon-containing materialInfo
- Publication number
- JPS5684789A JPS5684789A JP16081079A JP16081079A JPS5684789A JP S5684789 A JPS5684789 A JP S5684789A JP 16081079 A JP16081079 A JP 16081079A JP 16081079 A JP16081079 A JP 16081079A JP S5684789 A JPS5684789 A JP S5684789A
- Authority
- JP
- Japan
- Prior art keywords
- hydrocarbons
- steel
- heat
- contg
- alloy
- 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
Classifications
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
- B01J19/0026—Avoiding carbon deposits
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
- C01B3/36—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G49/00—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00
- C10G49/005—Inhibiting corrosion in hydrotreatment processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
- C10G9/16—Preventing or removing incrustation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
- C10G9/18—Apparatus
- C10G9/20—Tube furnaces
- C10G9/203—Tube furnaces chemical composition of the tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4075—Limiting deterioration of equipment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
- Chemical Vapour Deposition (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogen, Water And Hydrids (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16081079A JPS5684789A (en) | 1979-12-13 | 1979-12-13 | High-temperature treatment of hydrocarbon-containing material |
| IN1312/CAL/80A IN153575B (cs) | 1979-12-13 | 1980-11-25 | |
| GB8038064A GB2066696A (en) | 1979-12-13 | 1980-11-27 | Apparatus for high- temperature treatment of hydrocarbon-containing materials |
| DE19803046412 DE3046412A1 (de) | 1979-12-13 | 1980-12-10 | Verfahren zur hochtemperaturbehandlung von kohlenwasserstoffhaltigen materialien |
| FR8026344A FR2472035A1 (fr) | 1979-12-13 | 1980-12-11 | Procede pour traiter a temperature elevee des matieres contenant un hydrocarbure afin d'eviter des depots de carbone a la surface des reacteurs |
| CS879480A CS226024B2 (en) | 1979-12-13 | 1980-12-12 | Method of hydrocarbon-containing substances |
| CA000366750A CA1140162A (en) | 1979-12-13 | 1980-12-12 | High-temperature treatment of hydrocarbon-containing materials |
| BR8008164A BR8008164A (pt) | 1979-12-13 | 1980-12-12 | Aperfeicoamentos em processos para tratar um material contendo hidrocarboneto,a temperaturas de 500grad c ou acima e para reagir um hidrocarboneto com vapor d'agua e/ou um gas contendo oxigenio a pressao elevada |
| DD22602780A DD155140A5 (de) | 1979-12-13 | 1980-12-12 | Verfahren zur hochtemperaturbehandlung von kohlenstoffhaltigen materialien |
| AU65367/80A AU6536780A (en) | 1979-12-13 | 1980-12-12 | Structural material for hydrocarbon processing plant |
| PL22842580A PL130430B1 (en) | 1979-12-13 | 1980-12-12 | Process for generation gaseous mixture containing hydrogen and carbon monoxide,from hydrocarbons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16081079A JPS5684789A (en) | 1979-12-13 | 1979-12-13 | High-temperature treatment of hydrocarbon-containing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5684789A true JPS5684789A (en) | 1981-07-10 |
Family
ID=15722910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16081079A Pending JPS5684789A (en) | 1979-12-13 | 1979-12-13 | High-temperature treatment of hydrocarbon-containing material |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5684789A (cs) |
| AU (1) | AU6536780A (cs) |
| BR (1) | BR8008164A (cs) |
| CA (1) | CA1140162A (cs) |
| CS (1) | CS226024B2 (cs) |
| DD (1) | DD155140A5 (cs) |
| DE (1) | DE3046412A1 (cs) |
| FR (1) | FR2472035A1 (cs) |
| GB (1) | GB2066696A (cs) |
| IN (1) | IN153575B (cs) |
| PL (1) | PL130430B1 (cs) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827787A (ja) * | 1981-08-10 | 1983-02-18 | Matsushita Electric Ind Co Ltd | カ−ボン抑制方法 |
| JPS5953590A (ja) * | 1982-09-21 | 1984-03-28 | Osaka Gas Co Ltd | 石炭系重質油の熱処理方法 |
| JP2002529359A (ja) * | 1998-11-10 | 2002-09-10 | インターナショナル フュエル セルズ,エルエルシー | 燃料気体の水蒸気改質装置の壁面への炭素沈積の抑制 |
| US6936567B2 (en) | 2000-06-28 | 2005-08-30 | Sanyo Electric Co., Ltd. | Fuel reformer and manufacturing method of the same |
| CN115210175A (zh) * | 2020-07-07 | 2022-10-18 | 韩国科学技术研究院 | 具备高效率的复合材料的超轻量产氢反应器 |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2116209B (en) * | 1981-12-23 | 1985-08-29 | Toyo Engineering Corp | Composite steel tube for thermally cracking or reforming hydrocarbons |
| US4507196A (en) * | 1983-08-16 | 1985-03-26 | Phillips Petroleum Co | Antifoulants for thermal cracking processes |
| US4724064A (en) * | 1983-11-17 | 1988-02-09 | Betz Laboratories, Inc. | Composition and method for coke retardant during hydrocarbon processing |
| US4686201A (en) * | 1984-07-20 | 1987-08-11 | Phillips Petroleum Company | Antifoulants comprising tin antimony and aluminum for thermal cracking processes |
| US4599480A (en) * | 1985-07-12 | 1986-07-08 | Shell Oil Company | Sequential cracking of hydrocarbons |
| JPS6365057A (ja) * | 1986-09-05 | 1988-03-23 | Kubota Ltd | 炭化水素類の熱分解・改質反応用管 |
| DE4002839A1 (de) * | 1990-02-01 | 1991-08-08 | Forschungszentrum Juelich Gmbh | Wandstruktur mit kernschicht auf eisen/nickellegierungsbasis mit oxidbildender oberflaechenschicht |
| US5015358A (en) * | 1990-08-30 | 1991-05-14 | Phillips Petroleum Company | Antifoulants comprising titanium for thermal cracking processes |
| SA05260056B1 (ar) | 1991-03-08 | 2008-03-26 | شيفرون فيليبس كيميكال كمبني ال بي | جهاز لمعالجة الهيدروكربون hydrocarbon |
| US5208069A (en) * | 1991-10-28 | 1993-05-04 | Istituto Guido Donegani S.P.A. | Method for passivating the inner surface by deposition of a ceramic coating of an apparatus subject to coking, apparatus prepared thereby, and method of utilizing apparatus prepared thereby |
| CA2105188A1 (en) * | 1992-09-22 | 1994-03-23 | George A. Coffinberry | Coated article for hot hydrocarbon fluid and method of preventing fuel thermal degradation deposits |
| DE4242099A1 (de) * | 1992-12-14 | 1994-06-16 | Abb Patent Gmbh | Vorrichtung, insbesondere Gasturbineneinrichtung, mit einer Beschichtung von Einrichtungsteilen |
| EP0683760B1 (en) * | 1993-01-04 | 1999-04-14 | Chevron Chemical Company LLC | Dehydrogenation processes and equipment therefor |
| EP0962436B1 (en) * | 1993-01-04 | 2004-03-17 | Chevron Philips Chemical Company LP | Process for the conversion of hydrocarbons |
| USRE38532E1 (en) | 1993-01-04 | 2004-06-08 | Chevron Phillips Chemical Company Lp | Hydrodealkylation processes |
| EP0645472A1 (en) * | 1993-09-23 | 1995-03-29 | General Electric Company | Coated article for hot hydrocarbon fluid and method of preventing fuel thermal degradation deposits |
| US6274113B1 (en) | 1994-01-04 | 2001-08-14 | Chevron Phillips Chemical Company Lp | Increasing production in hydrocarbon conversion processes |
| US5575902A (en) * | 1994-01-04 | 1996-11-19 | Chevron Chemical Company | Cracking processes |
| US6258256B1 (en) | 1994-01-04 | 2001-07-10 | Chevron Phillips Chemical Company Lp | Cracking processes |
| GB9414415D0 (en) * | 1994-07-16 | 1994-09-07 | Oxford Appl Res Ltd | Cracking feedstocks |
| US5807616A (en) * | 1995-04-24 | 1998-09-15 | Corning Incorporated | Thermal cracking process and furnace elements |
| US6071563A (en) * | 1995-04-24 | 2000-06-06 | Corning Incorporated | Method of protecting metal |
| GB2306510B (en) * | 1995-11-02 | 1999-06-23 | Univ Surrey | Modification of metal surfaces |
| US6503347B1 (en) * | 1996-04-30 | 2003-01-07 | Surface Engineered Products Corporation | Surface alloyed high temperature alloys |
| US6419986B1 (en) | 1997-01-10 | 2002-07-16 | Chevron Phillips Chemical Company Ip | Method for removing reactive metal from a reactor system |
| US6440895B1 (en) | 1998-07-27 | 2002-08-27 | Battelle Memorial Institute | Catalyst, method of making, and reactions using the catalyst |
| US6358618B1 (en) | 1999-09-22 | 2002-03-19 | Corning Incorporated | Protective coating on metal |
| KR20030024685A (ko) * | 2000-06-08 | 2003-03-26 | 서피스 엔지니어드 프로덕츠 코포레이션 | 고온 스테인레스강을 위한 코팅 시스템 |
| US6737175B2 (en) | 2001-08-03 | 2004-05-18 | Exxonmobil Research And Engineering Company | Metal dusting resistant copper based alloy surfaces |
| SE525460C2 (sv) | 2002-02-28 | 2005-02-22 | Sandvik Ab | Användning av en kopparlegering i uppkolande miljöer |
| ATE269913T1 (de) * | 2002-07-31 | 2004-07-15 | Itn Nanovation Gmbh | Keramische beschichtung für verbrennungskessel |
| SE526673C2 (sv) | 2003-08-28 | 2005-10-25 | Sandvik Intellectual Property | Användning av en metallförstoftningsresistent kopparlegering |
| SE526448C2 (sv) * | 2003-08-28 | 2005-09-20 | Sandvik Intellectual Property | Kopparbaslegering och dess användning i koksande miljöer |
| US7422804B2 (en) | 2004-02-03 | 2008-09-09 | Exxonmobil Research And Engineering Company | Metal dusting resistant stable-carbide forming alloy surfaces |
| SE528984C2 (sv) * | 2005-08-19 | 2007-04-03 | Sandvik Intellectual Property | Kompositmaterial innefattande en lastbärande del och en korrosionsbeständig del |
| DE102006029790A1 (de) | 2006-06-27 | 2008-01-03 | Basf Ag | Verfahren der kontinuierlichen heterogen katalysierten partiellen Dehydrierung wenigstens eines zu dehydrierenden Kohlenwasserstoffs |
| ES2549704B1 (es) * | 2014-04-30 | 2016-09-08 | Abengoa Hidrógeno, S.A. | Tubo reactor de reformado con vapor de agua |
| EP3336055B1 (de) | 2016-12-19 | 2019-05-22 | L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude | Korrosionsgeschütztes reformerrohr mit internem wärmeaustausch |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1988873A (en) * | 1930-07-02 | 1935-01-22 | Ig Farbenindustrie Ag | Thermal treatment of hydrocarbons |
| US1995647A (en) * | 1930-07-24 | 1935-03-26 | Ig Farbenindustrie Ag | Apparatus for and improvement in carrying out chemical processes at elevated temperatures |
| GB361856A (en) * | 1930-07-25 | 1931-11-25 | Ig Farbenindustrie Ag | Improvements in carrying out reactions in the presence of hydrogen |
| GB403647A (en) * | 1932-06-18 | 1933-12-18 | Ig Farbenindustrie Ag | Improvements in the thermal treatment of hydrocarbons |
| GB1149163A (en) * | 1966-03-22 | 1969-04-16 | Ici Ltd | Protection against carburisation |
| US3507929A (en) * | 1966-11-30 | 1970-04-21 | John Happel | Decoking process for a pyrolysis reactor |
| US3536776A (en) * | 1967-08-24 | 1970-10-27 | Mobil Oil Corp | Hydrocarbon pyrolysis |
| US3704333A (en) * | 1970-08-20 | 1972-11-28 | Continental Oil Co | Thermal decomposition of organic compounds |
| FR2165263A5 (en) * | 1971-12-23 | 1973-08-03 | Onera (Off Nat Aerospatiale) | Refractory alloy tubing - for high temp hydrocarbon vapour transport |
| US3865634A (en) * | 1973-08-13 | 1975-02-11 | Exxon Research Engineering Co | Heat resistant alloy for carburization resistance |
| US3827967A (en) * | 1973-08-30 | 1974-08-06 | Shell Oil Co | Thermal cracking of hydrocarbons |
| JPS5832229B2 (ja) * | 1978-09-22 | 1983-07-12 | 日本真空技術株式会社 | 金属窒化物を被覆した真空容器及び真空機器用部品 |
| US4297150A (en) * | 1979-07-07 | 1981-10-27 | The British Petroleum Company Limited | Protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity |
-
1979
- 1979-12-13 JP JP16081079A patent/JPS5684789A/ja active Pending
-
1980
- 1980-11-25 IN IN1312/CAL/80A patent/IN153575B/en unknown
- 1980-11-27 GB GB8038064A patent/GB2066696A/en not_active Withdrawn
- 1980-12-10 DE DE19803046412 patent/DE3046412A1/de not_active Withdrawn
- 1980-12-11 FR FR8026344A patent/FR2472035A1/fr active Granted
- 1980-12-12 CS CS879480A patent/CS226024B2/cs unknown
- 1980-12-12 CA CA000366750A patent/CA1140162A/en not_active Expired
- 1980-12-12 AU AU65367/80A patent/AU6536780A/en not_active Abandoned
- 1980-12-12 PL PL22842580A patent/PL130430B1/pl unknown
- 1980-12-12 BR BR8008164A patent/BR8008164A/pt unknown
- 1980-12-12 DD DD22602780A patent/DD155140A5/de unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827787A (ja) * | 1981-08-10 | 1983-02-18 | Matsushita Electric Ind Co Ltd | カ−ボン抑制方法 |
| JPS5953590A (ja) * | 1982-09-21 | 1984-03-28 | Osaka Gas Co Ltd | 石炭系重質油の熱処理方法 |
| JP2002529359A (ja) * | 1998-11-10 | 2002-09-10 | インターナショナル フュエル セルズ,エルエルシー | 燃料気体の水蒸気改質装置の壁面への炭素沈積の抑制 |
| US6936567B2 (en) | 2000-06-28 | 2005-08-30 | Sanyo Electric Co., Ltd. | Fuel reformer and manufacturing method of the same |
| CN115210175A (zh) * | 2020-07-07 | 2022-10-18 | 韩国科学技术研究院 | 具备高效率的复合材料的超轻量产氢反应器 |
| JP2023515643A (ja) * | 2020-07-07 | 2023-04-13 | コリア・インスティテュート・オブ・サイエンス・アンド・テクノロジー | 高効率複合素材を具備した超軽量水素生産反応器 |
| CN115210175B (zh) * | 2020-07-07 | 2024-08-27 | 韩国科学技术研究院 | 具备高效率的复合材料的超轻量产氢反应器 |
Also Published As
| Publication number | Publication date |
|---|---|
| PL130430B1 (en) | 1984-08-31 |
| DE3046412A1 (de) | 1981-09-10 |
| DD155140A5 (de) | 1982-05-19 |
| GB2066696A (en) | 1981-07-15 |
| BR8008164A (pt) | 1981-06-30 |
| FR2472035B1 (cs) | 1984-04-27 |
| CS226024B2 (en) | 1984-03-19 |
| PL228425A1 (cs) | 1981-08-07 |
| AU6536780A (en) | 1981-06-18 |
| CA1140162A (en) | 1983-01-25 |
| FR2472035A1 (fr) | 1981-06-26 |
| IN153575B (cs) | 1984-07-28 |
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