DE3631795A1 - Kuehlsystem - Google Patents
KuehlsystemInfo
- Publication number
- DE3631795A1 DE3631795A1 DE19863631795 DE3631795A DE3631795A1 DE 3631795 A1 DE3631795 A1 DE 3631795A1 DE 19863631795 DE19863631795 DE 19863631795 DE 3631795 A DE3631795 A DE 3631795A DE 3631795 A1 DE3631795 A1 DE 3631795A1
- Authority
- DE
- Germany
- Prior art keywords
- coolant
- evaporator
- temperature
- circuit
- condenser
- 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
Links
- 238000001816 cooling Methods 0.000 title claims description 119
- 239000002826 coolant Substances 0.000 claims description 253
- 239000003638 chemical reducing agent Substances 0.000 claims description 66
- 239000007788 liquid Substances 0.000 claims description 47
- 239000000203 mixture Substances 0.000 claims description 41
- 239000003507 refrigerant Substances 0.000 claims description 23
- 238000009835 boiling Methods 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 6
- 125000004773 chlorofluoromethyl group Chemical group [H]C(F)(Cl)* 0.000 claims 2
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 claims 1
- 238000001704 evaporation Methods 0.000 description 42
- 230000008020 evaporation Effects 0.000 description 41
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 22
- 239000012808 vapor phase Substances 0.000 description 20
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 18
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 18
- 238000009833 condensation Methods 0.000 description 16
- 230000005494 condensation Effects 0.000 description 16
- 239000012212 insulator Substances 0.000 description 16
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 12
- 239000000314 lubricant Substances 0.000 description 9
- RJCQBQGAPKAMLL-UHFFFAOYSA-N bromotrifluoromethane Chemical compound FC(F)(F)Br RJCQBQGAPKAMLL-UHFFFAOYSA-N 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WPVNTHOFQMYAAS-UHFFFAOYSA-N 2-methylpentane Chemical compound CCCC(C)C.CCCC(C)C WPVNTHOFQMYAAS-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- RFCAUADVODFSLZ-UHFFFAOYSA-N 1-Chloro-1,1,2,2,2-pentafluoroethane Chemical compound FC(F)(F)C(F)(F)Cl RFCAUADVODFSLZ-UHFFFAOYSA-N 0.000 description 2
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 235000019406 chloropentafluoroethane Nutrition 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000004340 Chloropentafluoroethane Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/12—Inflammable refrigerants
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21187285A JPS6273046A (ja) | 1985-09-25 | 1985-09-25 | 冷凍装置 |
| JP9159886A JPH0697123B2 (ja) | 1986-04-21 | 1986-04-21 | 冷凍装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3631795A1 true DE3631795A1 (de) | 1987-04-02 |
| DE3631795C2 DE3631795C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-10-25 |
Family
ID=26433045
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863631795 Granted DE3631795A1 (de) | 1985-09-25 | 1986-09-18 | Kuehlsystem |
| DE3645168A Expired - Lifetime DE3645168C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-09-25 | 1986-09-18 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3645168A Expired - Lifetime DE3645168C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-09-25 | 1986-09-18 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018215026B4 (de) | 2018-09-04 | 2021-08-26 | Audi Ag | Kälteanlage für ein Fahrzeug mit einem einen zweiflutigen Wärmeübertrager aufweisenden Kältemittelkreislauf sowie Wärmeübertrager und Verfahren zum Betreiben der Kälteanlage |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992006600A1 (en) * | 1990-10-10 | 1992-04-30 | Black Gary W Sr | Apparatus for heating and dispensing food products |
| IT1243299B (it) * | 1990-11-22 | 1994-05-26 | Costan Spa | Apparecchiatura frigorifera per banchi refrigerati a bassa temperatura in particolare per prodotti gelati e surgelati |
| US5161382A (en) * | 1991-05-24 | 1992-11-10 | Marin Tek, Inc. | Combined cryosorption/auto-refrigerating cascade low temperature system |
| JP3208151B2 (ja) * | 1991-05-28 | 2001-09-10 | 三洋電機株式会社 | 冷凍装置 |
| JP3244296B2 (ja) * | 1992-04-10 | 2002-01-07 | 三洋電機株式会社 | 冷媒組成物及びこれを使用した二元冷凍装置 |
| FR2692343B1 (fr) * | 1992-06-16 | 1997-06-13 | Armines | Systeme frigorifique a compression bi-etagee. |
| TW354153U (en) * | 1993-04-27 | 1999-03-01 | Mitsubishi Electric Corp | Refrigerant circulating system |
| US5570585A (en) * | 1994-10-03 | 1996-11-05 | Vaynberg; Mikhail | Universal cooling system automatically configured to operate in compound or single compressor mode |
| US5606870A (en) * | 1995-02-10 | 1997-03-04 | Redstone Engineering | Low-temperature refrigeration system with precise temperature control |
| CN1178313A (zh) * | 1997-10-27 | 1998-04-08 | 天然国际新科学技术研究院 | 无热制冷方法及其循环系统 |
| US6327866B1 (en) * | 1998-12-30 | 2001-12-11 | Praxair Technology, Inc. | Food freezing method using a multicomponent refrigerant |
| US6374621B1 (en) | 2000-08-24 | 2002-04-23 | Cincinnati Sub-Zero Products, Inc. | Refrigeration system with a scroll compressor |
| CN102200356B (zh) * | 2001-02-23 | 2014-03-26 | 布鲁克斯自动化公司 | 超低温闭环再循环气体冷却系统 |
| JP3478292B2 (ja) * | 2002-05-28 | 2003-12-15 | ダイキン工業株式会社 | 冷凍装置の圧縮機構 |
| US6631625B1 (en) * | 2002-11-27 | 2003-10-14 | Gsle Development Corporation (De Corp) | Non-HCFC refrigerant mixture for an ultra-low temperature refrigeration system |
| US6925822B2 (en) * | 2003-12-10 | 2005-08-09 | Carrier Corporation | Oil return control in refrigerant system |
| JP4420807B2 (ja) * | 2004-12-14 | 2010-02-24 | 三洋電機株式会社 | 冷凍装置 |
| CN1323267C (zh) * | 2004-12-31 | 2007-06-27 | 广东科龙电器股份有限公司 | 多级蒸发式空调器 |
| KR100697088B1 (ko) * | 2005-06-09 | 2007-03-20 | 엘지전자 주식회사 | 공기조화기 |
| KR100697087B1 (ko) * | 2005-06-09 | 2007-03-20 | 엘지전자 주식회사 | 공기조화기 |
| JP2007107858A (ja) * | 2005-10-17 | 2007-04-26 | Sanyo Electric Co Ltd | 冷凍装置 |
| JP2007303792A (ja) * | 2006-05-15 | 2007-11-22 | Sanyo Electric Co Ltd | 冷凍装置 |
| JP2007303791A (ja) * | 2006-05-15 | 2007-11-22 | Sanyo Electric Co Ltd | 冷凍装置 |
| JP2007303794A (ja) * | 2006-05-15 | 2007-11-22 | Sanyo Electric Co Ltd | 冷凍装置 |
| JP5026736B2 (ja) * | 2006-05-15 | 2012-09-19 | パナソニックヘルスケア株式会社 | 冷凍装置 |
| US7490482B2 (en) * | 2006-09-23 | 2009-02-17 | Lawes Roland C | Absorption space cooler with no forced pumping |
| US20080196444A1 (en) * | 2007-02-20 | 2008-08-21 | Roland Lawes | Pumpless absorption refrigerator using a jet |
| JP5128424B2 (ja) * | 2008-09-10 | 2013-01-23 | パナソニックヘルスケア株式会社 | 冷凍装置 |
| JP5624713B2 (ja) * | 2008-09-22 | 2014-11-12 | パナソニックヘルスケア株式会社 | 冷凍装置 |
| US8683824B2 (en) | 2009-04-24 | 2014-04-01 | Ebara International Corporation | Liquefied gas expander and integrated Joule-Thomson valve |
| US8011201B2 (en) * | 2009-09-30 | 2011-09-06 | Thermo Fisher Scientific (Asheville) Llc | Refrigeration system mounted within a deck |
| US8011191B2 (en) | 2009-09-30 | 2011-09-06 | Thermo Fisher Scientific (Asheville) Llc | Refrigeration system having a variable speed compressor |
| JP2011112351A (ja) * | 2009-11-30 | 2011-06-09 | Sanyo Electric Co Ltd | 冷凍装置 |
| WO2013018148A1 (ja) * | 2011-08-04 | 2013-02-07 | 三菱電機株式会社 | 冷凍装置 |
| CN102255003B (zh) * | 2011-08-12 | 2013-08-07 | 保定维特瑞光电能源科技有限公司 | 一种太阳能光伏组件封闭自循环传导散热液及其制备方法 |
| US20130167582A1 (en) * | 2011-12-29 | 2013-07-04 | Standex International Corporation | Freezer evaporator apparatus |
| US8925346B2 (en) | 2012-02-07 | 2015-01-06 | Thermo Fisher Scientific (Asheville) Llc | High performance freezer having cylindrical cabinet |
| WO2017033679A1 (ja) * | 2015-08-26 | 2017-03-02 | パナソニックヘルスケアホールディングス株式会社 | 超低温フリーザ |
| TWI600866B (zh) * | 2015-09-10 | 2017-10-01 | De-Feng Xie | Refrigerant piping |
| JP6994419B2 (ja) * | 2018-03-29 | 2022-01-14 | 東京エレクトロン株式会社 | 冷却システム |
| JP2020034248A (ja) * | 2018-08-31 | 2020-03-05 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | 冷蔵庫 |
| WO2020045868A1 (en) | 2018-08-31 | 2020-03-05 | Samsung Electronics Co., Ltd. | Refrigerator |
| CN115667816A (zh) | 2020-06-04 | 2023-01-31 | 普和希控股公司 | 二元冷冻装置 |
| EP4030118A1 (en) * | 2021-01-19 | 2022-07-20 | Secop GmbH | Cooling unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5421658A (en) * | 1977-07-19 | 1979-02-19 | Sanyo Electric Co Ltd | Two-dimensional refrigerating cycle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3642639A (en) * | 1968-11-21 | 1972-02-15 | Allied Chem | Process of refrigeration using mixture sf6 and chcif2 |
| US3733845A (en) * | 1972-01-19 | 1973-05-22 | D Lieberman | Cascaded multicircuit,multirefrigerant refrigeration system |
| US3768273A (en) * | 1972-10-19 | 1973-10-30 | Gulf & Western Industries | Self-balancing low temperature refrigeration system |
| FR2394767A1 (fr) * | 1977-06-17 | 1979-01-12 | Air Liquide | Perfectionnements a la pompe a chaleur |
| US4149389A (en) * | 1978-03-06 | 1979-04-17 | The Trane Company | Heat pump system selectively operable in a cascade mode and method of operation |
| FR2545589B1 (fr) * | 1983-05-06 | 1985-08-30 | Technip Cie | Procede et appareil de refroidissement et liquefaction d'au moins un gaz a bas point d'ebullition, tel que par exemple du gaz naturel |
| US4545795A (en) * | 1983-10-25 | 1985-10-08 | Air Products And Chemicals, Inc. | Dual mixed refrigerant natural gas liquefaction |
| SE459883B (sv) * | 1984-02-14 | 1989-08-14 | Andersson Bengt O K | Saett och anordning foer tryckluftkylning |
| KR860002704A (ko) * | 1984-09-06 | 1986-04-28 | 야마시다 도시히꼬 | 열펌프장치 |
| US4540501A (en) * | 1984-09-12 | 1985-09-10 | The United States Of America As Represented By The United States Department Of Energy | Gas hydrate cool storage system |
| US4586344A (en) * | 1984-10-23 | 1986-05-06 | Dm International Inc. | Refrigeration process and apparatus |
-
1986
- 1986-09-09 GB GB8621651A patent/GB2180921B/en not_active Expired - Lifetime
- 1986-09-18 DE DE19863631795 patent/DE3631795A1/de active Granted
- 1986-09-18 DE DE3645168A patent/DE3645168C2/de not_active Expired - Lifetime
- 1986-09-23 FR FR8613264A patent/FR2587792B1/fr not_active Expired - Lifetime
- 1986-09-24 US US06/910,881 patent/US4788829A/en not_active Expired - Lifetime
- 1986-09-25 CN CN86106599.9A patent/CN1023833C/zh not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5421658A (en) * | 1977-07-19 | 1979-02-19 | Sanyo Electric Co Ltd | Two-dimensional refrigerating cycle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018215026B4 (de) | 2018-09-04 | 2021-08-26 | Audi Ag | Kälteanlage für ein Fahrzeug mit einem einen zweiflutigen Wärmeübertrager aufweisenden Kältemittelkreislauf sowie Wärmeübertrager und Verfahren zum Betreiben der Kälteanlage |
Also Published As
| Publication number | Publication date |
|---|---|
| US4788829A (en) | 1988-12-06 |
| FR2587792A1 (fr) | 1987-03-27 |
| CN86106599A (zh) | 1987-05-20 |
| GB8621651D0 (en) | 1986-10-15 |
| DE3645168C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-09-26 |
| GB2180921A (en) | 1987-04-08 |
| CN1023833C (zh) | 1994-02-16 |
| GB2180921B (en) | 1990-01-24 |
| DE3631795C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-10-25 |
| FR2587792B1 (fr) | 1994-01-28 |
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