EP0125980A3 - Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas - Google Patents

Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas Download PDF

Info

Publication number
EP0125980A3
EP0125980A3 EP84400906A EP84400906A EP0125980A3 EP 0125980 A3 EP0125980 A3 EP 0125980A3 EP 84400906 A EP84400906 A EP 84400906A EP 84400906 A EP84400906 A EP 84400906A EP 0125980 A3 EP0125980 A3 EP 0125980A3
Authority
EP
European Patent Office
Prior art keywords
liquefaction
gas
cooling
boiling point
low boiling
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.)
Granted
Application number
EP84400906A
Other languages
French (fr)
Other versions
EP0125980B1 (en
EP0125980A2 (en
Inventor
Henri Paradowski
Didier Leroux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Francaise dEtudes et de Construction Technip SA
Original Assignee
Francaise dEtudes et de Construction Technip SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Francaise dEtudes et de Construction Technip SA filed Critical Francaise dEtudes et de Construction Technip SA
Publication of EP0125980A2 publication Critical patent/EP0125980A2/en
Publication of EP0125980A3 publication Critical patent/EP0125980A3/en
Application granted granted Critical
Publication of EP0125980B1 publication Critical patent/EP0125980B1/en
Expired legal-status Critical Current

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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
    • F25J1/0262—Details of the cold heat exchange system
    • F25J1/0264—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022—Hydrocarbons, e.g. 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • F25J1/0055—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream originating from an incorporated cascade
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0211—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
    • F25J1/0214—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0292—Refrigerant compression by cold or cryogenic suction of the refrigerant 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0295—Shifting of the compression load between different cooling stages within a refrigerant cycle or within a cascade refrigeration system
    • 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
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/06—Splitting of the feed stream, e.g. for treating or cooling in different ways
    • 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
    • F25J2220/62—Separating low boiling components, e.g. He, H2, N2, Air
    • 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
    • F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EP84400906A 1983-05-06 1984-05-03 Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas Expired EP0125980B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8307620 1983-05-06
FR8307620A FR2545589B1 (en) 1983-05-06 1983-05-06 METHOD AND APPARATUS FOR COOLING AND LIQUEFACTING AT LEAST ONE GAS WITH LOW BOILING POINT, SUCH AS NATURAL GAS

Publications (3)

Publication Number Publication Date
EP0125980A2 EP0125980A2 (en) 1984-11-21
EP0125980A3 true EP0125980A3 (en) 1984-12-27
EP0125980B1 EP0125980B1 (en) 1987-04-01

Family

ID=9288670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84400906A Expired EP0125980B1 (en) 1983-05-06 1984-05-03 Process and apparatus for the cooling and liquefaction of at least a low boiling point gas, such as natural gas

Country Status (13)

Country Link
US (1) US4539028A (en)
EP (1) EP0125980B1 (en)
JP (1) JPH0627618B2 (en)
AU (1) AU560904B2 (en)
CA (1) CA1226206A (en)
DE (1) DE3462945D1 (en)
ES (1) ES8502536A1 (en)
FR (1) FR2545589B1 (en)
IN (1) IN161272B (en)
MY (1) MY101481A (en)
NO (1) NO159683C (en)
OA (1) OA07764A (en)
SU (1) SU1627097A3 (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180921B (en) * 1985-09-25 1990-01-24 Sanyo Electric Co Refrigeration system
US4911741A (en) * 1988-09-23 1990-03-27 Davis Robert N Natural gas liquefaction process using low level high level and absorption refrigeration cycles
FR2681859B1 (en) * 1991-09-30 1994-02-11 Technip Cie Fse Etudes Const NATURAL GAS LIQUEFACTION PROCESS.
US5271231A (en) * 1992-08-10 1993-12-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same
US5615561A (en) * 1994-11-08 1997-04-01 Williams Field Services Company LNG production in cryogenic natural gas processing plants
FR2743140B1 (en) * 1995-12-28 1998-01-23 Inst Francais Du Petrole METHOD AND DEVICE FOR TWO-STEP LIQUEFACTION OF A GAS MIXTURE SUCH AS A NATURAL GAS
US5657643A (en) * 1996-02-28 1997-08-19 The Pritchard Corporation Closed loop single mixed refrigerant process
US5746066A (en) * 1996-09-17 1998-05-05 Manley; David B. Pre-fractionation of cracked gas or olefins fractionation by one or two mixed refrigerant loops and cooling water
US6659730B2 (en) * 1997-11-07 2003-12-09 Westport Research Inc. High pressure pump system for supplying a cryogenic fluid from a storage tank
US6446465B1 (en) * 1997-12-11 2002-09-10 Bhp Petroleum Pty, Ltd. Liquefaction process and apparatus
US6119479A (en) 1998-12-09 2000-09-19 Air Products And Chemicals, Inc. Dual mixed refrigerant cycle for gas liquefaction
MY117548A (en) 1998-12-18 2004-07-31 Exxon Production Research Co Dual multi-component refrigeration cycles for liquefaction of natural gas
US6471694B1 (en) 2000-08-09 2002-10-29 Cryogen, Inc. Control system for cryosurgery
US7004936B2 (en) * 2000-08-09 2006-02-28 Cryocor, Inc. Refrigeration source for a cryoablation catheter
US6347532B1 (en) 1999-10-12 2002-02-19 Air Products And Chemicals, Inc. Gas liquefaction process with partial condensation of mixed refrigerant at intermediate temperatures
FR2821351B1 (en) * 2001-02-26 2003-05-16 Technip Cie METHOD FOR RECOVERING ETHANE, IMPLEMENTING A REFRIGERATION CYCLE USING A MIXTURE OF AT LEAST TWO REFRIGERANT FLUIDS, GASES OBTAINED BY THIS PROCESS, AND IMPLEMENTATION INSTALLATION
US6640586B1 (en) * 2002-11-01 2003-11-04 Conocophillips Company Motor driven compressor system for natural gas liquefaction
AU2004274706B2 (en) * 2003-09-23 2008-08-07 Linde Aktiengesellschaft Natural gas liquefaction process
DE102004011481A1 (en) * 2004-03-09 2005-09-29 Linde Ag Process for liquefying a hydrocarbon-rich stream
US8491636B2 (en) 2004-03-23 2013-07-23 Medtronic Cryopath LP Method and apparatus for inflating and deflating balloon catheters
US7727228B2 (en) 2004-03-23 2010-06-01 Medtronic Cryocath Lp Method and apparatus for inflating and deflating balloon catheters
CN100344872C (en) * 2004-06-11 2007-10-24 中国科学院理化技术研究所 High vacuum cryogenic water vapor catcher
JP5605977B2 (en) * 2004-06-23 2014-10-15 エクソンモービル アップストリーム リサーチ カンパニー Mixed refrigerant liquefaction method
US8206345B2 (en) 2005-03-07 2012-06-26 Medtronic Cryocath Lp Fluid control system for a medical device
AU2007310940B2 (en) * 2006-10-23 2010-11-11 Shell Internationale Research Maatschappij B.V. Method and apparatus for liquefying hydrocarbon streams
US20080134717A1 (en) * 2006-11-14 2008-06-12 Willem Dam Method and apparatus for cooling a hydrocarbon stream
DE102007006370A1 (en) * 2007-02-08 2008-08-14 Linde Ag Process for liquefying a hydrocarbon-rich stream
WO2010054434A1 (en) * 2008-11-17 2010-05-20 Woodside Energy Limited Power matched mixed refrigerant compression circuit
FR2957407B1 (en) * 2010-03-15 2012-08-17 Inst Francais Du Petrole METHOD FOR LIQUEFACTING A NATURAL GAS WITH REFRIGERANT MIXTURES CONTAINING AT LEAST ONE UNSATURATED HYDROCARBON
CN103415752A (en) 2010-03-25 2013-11-27 曼彻斯特大学 Refrigeration process
RU2620310C2 (en) * 2011-12-20 2017-05-24 Конокофиллипс Компани Liquefying of natural gas in moving environment
CN103322769B (en) * 2012-03-20 2015-07-08 中国海洋石油总公司 Cascade connecting type liquidizing system of base load type natural gas liquefaction factories
DE102013016695A1 (en) * 2013-10-08 2015-04-09 Linde Aktiengesellschaft Process for liquefying a hydrocarbon-rich fraction
EP3230669A4 (en) * 2014-12-12 2018-08-01 Dresser Rand Company System and method for liquefaction of natural gas
RU2601670C1 (en) * 2015-07-22 2016-11-10 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Дальневосточный Федеральный Университет" (Двфу) Cooling machine
US11428464B2 (en) 2017-12-15 2022-08-30 Saudi Arabian Oil Company Process integration for natural gas liquid recovery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471566A1 (en) * 1979-12-12 1981-06-19 Technip Cie METHOD AND SYSTEM FOR LIQUEFACTING A LOW BOILING GAS
EP0058106A2 (en) * 1981-02-05 1982-08-18 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and installation for the liquefaction of a gas

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2292203A1 (en) * 1974-11-21 1976-06-18 Technip Cie METHOD AND INSTALLATION FOR LIQUEFACTION OF A LOW BOILING POINT GAS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471566A1 (en) * 1979-12-12 1981-06-19 Technip Cie METHOD AND SYSTEM FOR LIQUEFACTING A LOW BOILING GAS
EP0058106A2 (en) * 1981-02-05 1982-08-18 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and installation for the liquefaction of a gas

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SIXIEME CONGRES INTERNATIONAL SUR LE GAZ NATUREL LIQUEFIE, 7-10 avril 1980, Kyoto, Japan, vol. 1/2, session II, papier 2, pages 1-11, Institute of Gas Technology, Chicago, Illinois, US; M. GRENIER et al.: "Nouveau cycle de liquefaction de gaz naturel utilisant des échangeurs à plaques" *

Also Published As

Publication number Publication date
MY101481A (en) 1991-11-18
AU2746084A (en) 1984-11-08
JPH0627618B2 (en) 1994-04-13
OA07764A (en) 1985-08-30
NO841803L (en) 1984-11-07
ES532222A0 (en) 1985-01-01
JPS6099982A (en) 1985-06-03
AU560904B2 (en) 1987-04-16
ES8502536A1 (en) 1985-01-01
NO159683B (en) 1988-10-17
US4539028A (en) 1985-09-03
NO159683C (en) 1989-01-25
CA1226206A (en) 1987-09-01
EP0125980B1 (en) 1987-04-01
IN161272B (en) 1987-11-07
FR2545589A1 (en) 1984-11-09
EP0125980A2 (en) 1984-11-21
DE3462945D1 (en) 1987-05-07
SU1627097A3 (en) 1991-02-07
FR2545589B1 (en) 1985-08-30

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