FR2678183A1 - Procede et ensemble de traitement, par chauffage de copeaux de metaux reactifs, tels que le magnesium contamines par de l'huile, pour obtenir un revetement carbone externe sur les copeaux. - Google Patents
Procede et ensemble de traitement, par chauffage de copeaux de metaux reactifs, tels que le magnesium contamines par de l'huile, pour obtenir un revetement carbone externe sur les copeaux. Download PDFInfo
- Publication number
- FR2678183A1 FR2678183A1 FR9207926A FR9207926A FR2678183A1 FR 2678183 A1 FR2678183 A1 FR 2678183A1 FR 9207926 A FR9207926 A FR 9207926A FR 9207926 A FR9207926 A FR 9207926A FR 2678183 A1 FR2678183 A1 FR 2678183A1
- Authority
- FR
- France
- Prior art keywords
- chips
- oil
- oven
- magnesium
- temperature
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000011248 coating agent Substances 0.000 title claims abstract description 9
- 238000000576 coating method Methods 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 title claims description 16
- 229910052799 carbon Inorganic materials 0.000 title description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title description 4
- 239000003153 chemical reaction reagent Substances 0.000 title 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 32
- 239000011777 magnesium Substances 0.000 claims abstract description 32
- 238000009835 boiling Methods 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000002844 melting Methods 0.000 claims abstract description 4
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000004581 coalescence Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 7
- 239000000956 alloy Substances 0.000 abstract description 7
- 150000002739 metals Chemical class 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 59
- 239000000463 material Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 238000005119 centrifugation Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 241000212342 Sium Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- ZINJLDJMHCUBIP-UHFFFAOYSA-N ethametsulfuron-methyl Chemical compound CCOC1=NC(NC)=NC(NC(=O)NS(=O)(=O)C=2C(=CC=CC=2)C(=O)OC)=N1 ZINJLDJMHCUBIP-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000011173 large scale experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002680 magnesium Chemical class 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000008041 oiling agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
- F27B7/04—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type with longitudinal divisions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO912548A NO172838C (no) | 1991-06-28 | 1991-06-28 | Fremgangsmaate og anlegg for behandling av avfallsprodukter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2678183A1 true FR2678183A1 (fr) | 1992-12-31 |
| FR2678183B1 FR2678183B1 (enExample) | 1994-12-09 |
Family
ID=19894271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9207926A Granted FR2678183A1 (fr) | 1991-06-28 | 1992-06-26 | Procede et ensemble de traitement, par chauffage de copeaux de metaux reactifs, tels que le magnesium contamines par de l'huile, pour obtenir un revetement carbone externe sur les copeaux. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5338335A (enExample) |
| JP (1) | JPH05185055A (enExample) |
| CA (1) | CA2072512A1 (enExample) |
| DE (1) | DE4221347C2 (enExample) |
| FR (1) | FR2678183A1 (enExample) |
| GB (1) | GB2257162B (enExample) |
| IT (1) | IT1255189B (enExample) |
| NO (1) | NO172838C (enExample) |
| SE (1) | SE9201950L (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1262420B (it) * | 1993-11-03 | 1996-06-19 | In Tec Italia Int Env Tech Srl | Dispositivo e procedimento per il pretrattamento di rottame elettronico. |
| FR2719796B1 (fr) * | 1994-05-11 | 1996-07-05 | Ecaa | Procédé de production d'aciers en poudre à partir de boues d'usinage mécanique, et dispositif pour la mise en Óoeuvre dudit procédé. |
| NO180595C (no) * | 1994-09-16 | 1997-05-14 | Norsk Hydro As | Fremgangsmåte for å kontrollere overflateegenskapene til magnesiumpartikler |
| DE29504321U1 (de) * | 1995-03-17 | 1995-05-04 | VE Recycling GmbH, 28757 Bremen | Trommeltrockner |
| DE19614689C2 (de) * | 1996-04-13 | 1999-11-04 | Maximilian Bauknecht | Multivalent einsetzbare Anlage zur thermischen Behandlung von Ausgangssubstanzen |
| US6135765A (en) * | 1998-09-28 | 2000-10-24 | Jamaluddin; Aziz A. | Pyrocleaning furnace and thermal oxidizer system |
| DE10027998A1 (de) * | 2000-06-08 | 2001-12-13 | Utec Luftreinigung & Waermerue | Verfahren und Anordnung zur Reinigung von verunreinigten Metallspänen |
| DE10131554C1 (de) * | 2001-06-29 | 2002-09-12 | Ald Vacuum Techn Ag | Verfahren und Vorrichtung zur Reinigung insbesondere Entfettung und Kompaktierung von metallischem Gut |
| US6770115B2 (en) * | 2002-10-18 | 2004-08-03 | Remacor, Inc. | Process for magnesium granules |
| US6989040B2 (en) | 2002-10-30 | 2006-01-24 | Gerald Zebrowski | Reclaimed magnesium desulfurization agent |
| RU2260562C1 (ru) * | 2004-07-23 | 2005-09-20 | Открытое акционерное общество "АВИСМА титано-магниевый комбинат" | Способ обезвоживания хлормагниевого сырья и устройство для его осуществления |
| RU2276101C2 (ru) * | 2004-07-30 | 2006-05-10 | Открытое Акционерное Общество "Корпорация Всмпо-Ависма" | Способ переработки пылевых отходов, образующихся при обезвоживании хлормагниевого сырья |
| US20080196548A1 (en) * | 2007-02-16 | 2008-08-21 | Magnesium Technologies Corporation | Desulfurization puck |
| KR101310622B1 (ko) * | 2011-04-08 | 2013-09-24 | 가부시키가이샤 에스티유 | 마그네슘 합금 칩 및 그것을 이용한 성형품의 제조 방법 |
| DE102011103294A1 (de) | 2011-05-26 | 2012-11-29 | Volkswagen Aktiengesellschaft | Verfahren zum Herstellen von Metalltabletten und Verfahren zum Herstellen von Metallgussbauteilen |
| RU174841U1 (ru) * | 2017-03-15 | 2017-11-03 | Валерий Владимирович Минаков | Устройство для очистки окалины от масляных загрязнений |
| CN110006247B (zh) * | 2019-05-10 | 2024-04-12 | 黎柴佐 | 一种回热式粉体热处理装置及其方法 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2299043A (en) * | 1941-10-27 | 1942-10-13 | Alloys Recovery Company Inc | Method of treating light metal scrap |
| DE1814471A1 (de) * | 1968-12-13 | 1970-06-25 | Diehl Fa | Verfahren und Einrichtung zum Einschmelzen feinstueckiger,spaeniger oder pulverfoermiger Metallabfaelle |
| US3833343A (en) * | 1971-04-28 | 1974-09-03 | Carbo Scrap | Process for production of carbon-bearing scrap and product |
| DE2522659A1 (de) * | 1975-05-22 | 1976-11-25 | Klimanek Schrott Und Schlakken | Entoelen von feinen metallischen schleifspaenen und gleichzeitiger oelrueckgewinnung durch induktive beheizung |
| US4260373A (en) * | 1979-01-08 | 1981-04-07 | Combustion Engineering, Inc. | Method and apparatus for drying and preheating small metallic particles |
| DE3315557A1 (de) * | 1983-04-29 | 1984-10-31 | Dr. Böing GmbH & Co Anlagen und Maschinen KG, 5800 Hagen | Verfahren und einrichtung zum reinigen feinstueckigen gutes von oeligen oder fettigen verunreinigungen, insbesondere zum reinigen mit schneidoel verunreinigter metallspaene |
| DE3706684A1 (de) * | 1986-04-08 | 1987-10-15 | Kurt Von Dipl Chem D Beckerath | Verfahren zur entfernung von fluechtigen schadstoffen aus kontaminierten boeden, sanden, schlaemmen und vergleichbaren feststoffaggregaten und rueckstaenden |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE704223C (de) * | 1932-01-10 | 1941-03-26 | Metallpulver A G | Verfahren und Einrichtung zur Herstellung fettarmen bzw. fettfreien, feinen Aluminiumpulvers |
| GB403179A (en) * | 1932-08-24 | 1933-12-21 | David Ronald Tullis | Process and apparatus for the treatment of waste metal products |
| DE744048C (de) * | 1941-11-11 | 1944-01-08 | Georg Benda Lutz Werke Ges M B | Verfahren zum Entfetten von Aluminium- oder Magnesiumpulver |
| US3650830A (en) * | 1969-06-30 | 1972-03-21 | Nichols Eng & Res Corp | Recovery system |
| US3697257A (en) * | 1969-11-07 | 1972-10-10 | Horizons Research Inc | Scrap recovery process |
| US4016003A (en) * | 1976-01-23 | 1977-04-05 | Kaiser Aluminum & Chemical Corporation | Beneficiation of metal scrap |
| US4141373A (en) * | 1977-09-28 | 1979-02-27 | Rjr Archer, Inc. | Method for deoiling metal scrap |
| US4508564A (en) * | 1984-05-17 | 1985-04-02 | The William L. Bonnell Company | Scrap metal reclaiming process |
| IT1208583B (it) * | 1986-03-19 | 1989-07-10 | Aluminia Spa | Procedimento per ricuperare gli sfridi delle lavorazioni meccaniche di alluminio e sue leghe con produzione di semilavorati estrusi. |
| US4721457A (en) * | 1986-05-23 | 1988-01-26 | Pre-Melt Systems, Inc. | Method and apparatus for cleaning and drying metal chips |
| SE8900857L (sv) * | 1988-03-15 | 1989-09-16 | N Proizv Ob T Traktorn | Foerfarande och anlaeggning foer rening av spaan av ferromagnetiskt material fraan en smoerj- och kylvaetska |
| US5059116A (en) * | 1988-12-16 | 1991-10-22 | Gillespie & Powers, Inc. | Apparatus and process for removing volatile coatings from scrap metal |
| DE4028541C1 (en) * | 1990-09-06 | 1992-02-13 | Noell Gmbh, 8700 Wuerzburg, De | Method of separating machine tool waste - has oil coated swarf pressed and fluid separated prior to heating or metal |
-
1991
- 1991-06-28 NO NO912548A patent/NO172838C/no unknown
-
1992
- 1992-06-24 SE SE9201950A patent/SE9201950L/ not_active Application Discontinuation
- 1992-06-26 GB GB9213576A patent/GB2257162B/en not_active Expired - Fee Related
- 1992-06-26 IT IT92MI1583 patent/IT1255189B/it active IP Right Grant
- 1992-06-26 CA CA 2072512 patent/CA2072512A1/en not_active Abandoned
- 1992-06-26 FR FR9207926A patent/FR2678183A1/fr active Granted
- 1992-06-29 DE DE19924221347 patent/DE4221347C2/de not_active Expired - Fee Related
- 1992-06-29 JP JP17110792A patent/JPH05185055A/ja active Pending
- 1992-06-29 US US07/905,533 patent/US5338335A/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2299043A (en) * | 1941-10-27 | 1942-10-13 | Alloys Recovery Company Inc | Method of treating light metal scrap |
| DE1814471A1 (de) * | 1968-12-13 | 1970-06-25 | Diehl Fa | Verfahren und Einrichtung zum Einschmelzen feinstueckiger,spaeniger oder pulverfoermiger Metallabfaelle |
| US3833343A (en) * | 1971-04-28 | 1974-09-03 | Carbo Scrap | Process for production of carbon-bearing scrap and product |
| DE2522659A1 (de) * | 1975-05-22 | 1976-11-25 | Klimanek Schrott Und Schlakken | Entoelen von feinen metallischen schleifspaenen und gleichzeitiger oelrueckgewinnung durch induktive beheizung |
| US4260373A (en) * | 1979-01-08 | 1981-04-07 | Combustion Engineering, Inc. | Method and apparatus for drying and preheating small metallic particles |
| DE3315557A1 (de) * | 1983-04-29 | 1984-10-31 | Dr. Böing GmbH & Co Anlagen und Maschinen KG, 5800 Hagen | Verfahren und einrichtung zum reinigen feinstueckigen gutes von oeligen oder fettigen verunreinigungen, insbesondere zum reinigen mit schneidoel verunreinigter metallspaene |
| DE3706684A1 (de) * | 1986-04-08 | 1987-10-15 | Kurt Von Dipl Chem D Beckerath | Verfahren zur entfernung von fluechtigen schadstoffen aus kontaminierten boeden, sanden, schlaemmen und vergleichbaren feststoffaggregaten und rueckstaenden |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05185055A (ja) | 1993-07-27 |
| ITMI921583A1 (it) | 1993-12-26 |
| GB2257162B (en) | 1995-06-14 |
| DE4221347A1 (de) | 1993-01-14 |
| FR2678183B1 (enExample) | 1994-12-09 |
| SE9201950L (sv) | 1992-12-29 |
| DE4221347C2 (de) | 1998-06-04 |
| NO912548L (no) | 1992-12-29 |
| US5338335A (en) | 1994-08-16 |
| GB9213576D0 (en) | 1992-08-12 |
| ITMI921583A0 (it) | 1992-06-26 |
| NO912548D0 (no) | 1991-06-28 |
| NO172838C (no) | 1993-09-15 |
| GB2257162A (en) | 1993-01-06 |
| SE9201950D0 (sv) | 1992-06-24 |
| IT1255189B (it) | 1995-10-20 |
| CA2072512A1 (en) | 1992-12-29 |
| NO172838B (no) | 1993-06-07 |
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