NO318373B1 - Radialstromsfilter og fremgangsmate til fremstilling av dette - Google Patents
Radialstromsfilter og fremgangsmate til fremstilling av dette Download PDFInfo
- Publication number
- NO318373B1 NO318373B1 NO19984103A NO984103A NO318373B1 NO 318373 B1 NO318373 B1 NO 318373B1 NO 19984103 A NO19984103 A NO 19984103A NO 984103 A NO984103 A NO 984103A NO 318373 B1 NO318373 B1 NO 318373B1
- Authority
- NO
- Norway
- Prior art keywords
- pipe
- filter
- length
- wool
- strip
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 45
- 210000002268 wool Anatomy 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 claims abstract description 30
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 26
- 239000004576 sand Substances 0.000 description 9
- 239000000356 contaminant Substances 0.000 description 8
- 238000005253 cladding Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- SKBXVAOMEVOTGJ-UHFFFAOYSA-N xi-Pinol Chemical compound CC1=CCC2C(C)(C)OC1C2 SKBXVAOMEVOTGJ-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/084—Screens comprising woven materials, e.g. mesh or cloth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/111—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
- B01D29/216—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets with wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/10—Filter screens essentially made of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2027—Metallic material
- B01D39/2041—Metallic material the material being filamentary or fibrous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0407—Perforated supports on both sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/902—Filter making
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/05—Methods of making filter
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/496—Multiperforated metal article making
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/496—Multiperforated metal article making
- Y10T29/49602—Coil wound wall screen
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/496—Multiperforated metal article making
- Y10T29/49604—Filter
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Filtering Materials (AREA)
- Centrifugal Separators (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Prostheses (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- External Artificial Organs (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/610,459 US5711879A (en) | 1996-03-04 | 1996-03-04 | Radial-flow filter and method of manufacture |
| PCT/US1997/003050 WO1997032648A1 (en) | 1996-03-04 | 1997-03-04 | Radial-flow filter and method of manufacture |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO984103D0 NO984103D0 (no) | 1998-09-04 |
| NO984103L NO984103L (no) | 1998-10-21 |
| NO318373B1 true NO318373B1 (no) | 2005-03-14 |
Family
ID=24445089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19984103A NO318373B1 (no) | 1996-03-04 | 1998-09-04 | Radialstromsfilter og fremgangsmate til fremstilling av dette |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US5711879A (ru) |
| EP (2) | EP0793989B1 (ru) |
| JP (1) | JP2000506773A (ru) |
| AT (1) | ATE220570T1 (ru) |
| AU (1) | AU713932B2 (ru) |
| BR (1) | BR9710529A (ru) |
| CA (1) | CA2188889C (ru) |
| DE (2) | DE69603696T2 (ru) |
| DK (1) | DK1015094T3 (ru) |
| ES (1) | ES2180946T3 (ru) |
| NO (1) | NO318373B1 (ru) |
| NZ (1) | NZ331722A (ru) |
| PT (1) | PT1015094E (ru) |
| RU (1) | RU2159143C2 (ru) |
| WO (1) | WO1997032648A1 (ru) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5954956A (en) * | 1997-07-22 | 1999-09-21 | J&L Fiber Services | Modular screen cylinder and a method for its manufacture |
| FR2767088B1 (fr) * | 1997-08-06 | 1999-09-03 | Usinor | Tole de structure multicouche dite tole sandwich |
| US6138838A (en) * | 1998-05-29 | 2000-10-31 | J&L Fiber Services, Inc. | Screen media and a screening passage therefore |
| DE19901150A1 (de) * | 1999-01-14 | 2000-07-27 | Zeuna Staerker Kg | Verfahren und Vorrichtung zur Herstellung eines Absorptionsschalldämpfers |
| US6180005B1 (en) | 1999-02-18 | 2001-01-30 | Aquafine Corporation | Continuous filament matrix for magnetic separator |
| US6415509B1 (en) * | 2000-05-18 | 2002-07-09 | Halliburton Energy Services, Inc. | Methods of fabricating a thin-wall expandable well screen assembly |
| DE10063881A1 (de) * | 2000-12-21 | 2002-06-27 | Mann & Hummel Filter | Filterelement |
| US6652760B2 (en) * | 2001-03-12 | 2003-11-25 | Texaco Inc. | Internal filter for fischer-tropsch catalyst/wax separation |
| WO2002078014A2 (en) * | 2001-03-23 | 2002-10-03 | American Metal Fibers, Inc. | Metal fiber mat for use in filters and method of making said filters |
| AU2002256005A1 (en) * | 2001-03-27 | 2002-10-08 | Smithkline Beecham Corporation | Control of glycoforms in igg |
| WO2003006136A1 (en) * | 2001-07-10 | 2003-01-23 | American Metal Fibers, Inc. | A method for filtering a fluid stream and filters for performing the method |
| US6668920B2 (en) | 2001-11-09 | 2003-12-30 | Weatherford/Lamb, Inc. | Wellscreen having helical support surface |
| US7287684B2 (en) * | 2002-07-03 | 2007-10-30 | Tubular Perforating Mfg., Ltd. | Filter cartridge assembly and method of manufacture |
| US7243715B2 (en) | 2002-07-29 | 2007-07-17 | Schlumberger Technology Corporation | Mesh screen apparatus and method of manufacture |
| JP3639271B2 (ja) * | 2002-07-30 | 2005-04-20 | 株式会社東芝 | 投射型表示装置及び送風装置 |
| US20050072302A1 (en) * | 2003-10-03 | 2005-04-07 | Miller Terry L. | Screen filter assembly and engines using same |
| US7014685B2 (en) * | 2004-02-10 | 2006-03-21 | Perry Equipment Corp. | Filter element and mounting method |
| US7108738B2 (en) * | 2004-02-10 | 2006-09-19 | Perry Equipment Corp. | Filter element and mounting method |
| SG155087A1 (en) | 2008-02-27 | 2009-09-30 | Completion Products Pte Ltd | A well screen |
| US9212540B2 (en) | 2010-06-11 | 2015-12-15 | Absolute Completion Technologies Ltd. | Wellbore fluid treatment and method |
| SG186285A1 (en) | 2010-06-11 | 2013-01-30 | Absolute Completion Technologies Ltd | Wellbore screen with tracer for fluid detection |
| EP2817077B1 (en) * | 2012-02-20 | 2016-04-13 | NV Bekaert SA | Metal fibre web based filter |
| WO2014005230A1 (en) * | 2012-07-04 | 2014-01-09 | Absolute Completion Technologies Ltd. | Wellbore screen |
| US20150174683A1 (en) * | 2013-12-20 | 2015-06-25 | John Daniel Archibald, JR. | Purge can for purging pipe |
| US9434026B2 (en) * | 2014-10-02 | 2016-09-06 | Baker Hughes Incorporated | Subterranean screen assembly manufacturing method |
| CN104923807B (zh) * | 2015-06-26 | 2017-04-26 | 浙江创立汽车空调有限公司 | 一种汽车空调管件加工用管槽机 |
| CA3044422C (en) * | 2017-02-03 | 2021-04-27 | Larry James Parmeter | Bellows motor expansion chamber for an electric submersible pump |
| RU2669017C2 (ru) * | 2017-03-15 | 2018-10-05 | Юрий Валентинович Данченко | Скважинный фильтр |
| RU2706981C1 (ru) * | 2019-02-15 | 2019-11-21 | Акционерное общество "Новомет-Пермь" | Способ изготовления скважинного фильтра |
| CN110469297B (zh) * | 2019-09-09 | 2021-08-20 | 中煤科工集团西安研究院有限公司 | 煤矿井下瓦斯抽采定向钻孔长距离筛管完孔装备与方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2217370A (en) * | 1939-08-08 | 1940-10-08 | Socony Vacuum Oil Co Inc | Screen wrapped perforated liner pipe |
| US2217270A (en) | 1939-08-21 | 1940-10-08 | Gibbs Alec John Galbraith | Production of colored or pictorial designs |
| US2819800A (en) * | 1954-10-08 | 1958-01-14 | Metal Textile Corp | Filtering apparatus and filter unit therefor |
| US3705021A (en) * | 1964-08-24 | 1972-12-05 | David R Johnson | Reinforced metal fibril mats and methods of making same |
| US3795288A (en) * | 1968-05-27 | 1974-03-05 | Pall Corp | Gas conduit with acoustic insulation comprising anisometric compressed and bonded multilayer knitted wire mesh composites |
| US4240908A (en) * | 1977-08-05 | 1980-12-23 | Mapco, Inc. | Coated metal fiber coalescing cell |
| US4225442A (en) * | 1978-08-22 | 1980-09-30 | Brunswick Corporation | Core spun filtration roving |
| DE2926533C2 (de) * | 1979-06-30 | 1982-11-25 | Haver & Boecker, 4740 Oelde | Verfahren zum Herstellen einer porösen Filterschicht |
| NO153677C (no) * | 1981-06-01 | 1986-05-07 | Mueller Drm Ag | Filterelement. |
| US4434054A (en) * | 1982-12-20 | 1984-02-28 | Texaco Canada Resources Ltd. | Filter for separating discrete solid elements from a fluid stream |
| CA1247000A (en) * | 1984-12-31 | 1988-12-20 | Texaco Canada Resources Ltd. | Method and apparatus for producing viscous hydrocarbons utilizing a hot stimulating medium |
| US4882056A (en) * | 1988-04-01 | 1989-11-21 | Pall Corporation | Fluid filter element with an overlapped wrap |
| US5508370A (en) * | 1991-10-17 | 1996-04-16 | Bayer Aktiengesellschaft | Water-dispersible blocked isocyanates, method of manufacture, and use thereof |
| DE4201741A1 (de) * | 1992-01-23 | 1993-07-29 | Dynamit Nobel Ag | Filtervorrichtung zum filtern einer gasstroemung |
| US5230726A (en) * | 1992-04-30 | 1993-07-27 | Morton International, Inc. | Spiral wrapped gas generator filter |
| US5290446A (en) * | 1992-06-10 | 1994-03-01 | Pall Corporation | Helical wrapped filter element |
-
1996
- 1996-03-04 US US08/610,459 patent/US5711879A/en not_active Expired - Lifetime
- 1996-10-25 CA CA002188889A patent/CA2188889C/en not_active Expired - Lifetime
- 1996-11-18 EP EP96118486A patent/EP0793989B1/en not_active Expired - Lifetime
- 1996-11-18 DE DE69603696T patent/DE69603696T2/de not_active Expired - Lifetime
-
1997
- 1997-03-04 AU AU19785/97A patent/AU713932B2/en not_active Expired
- 1997-03-04 ES ES97907901T patent/ES2180946T3/es not_active Expired - Lifetime
- 1997-03-04 BR BR9710529-5A patent/BR9710529A/pt not_active IP Right Cessation
- 1997-03-04 NZ NZ331722A patent/NZ331722A/xx not_active IP Right Cessation
- 1997-03-04 WO PCT/US1997/003050 patent/WO1997032648A1/en active IP Right Grant
- 1997-03-04 DE DE69714087T patent/DE69714087D1/de not_active Expired - Lifetime
- 1997-03-04 AT AT97907901T patent/ATE220570T1/de active
- 1997-03-04 RU RU98118103/12A patent/RU2159143C2/ru active
- 1997-03-04 DK DK97907901T patent/DK1015094T3/da active
- 1997-03-04 PT PT97907901T patent/PT1015094E/pt unknown
- 1997-03-04 JP JP9531828A patent/JP2000506773A/ja active Pending
- 1997-03-04 EP EP97907901A patent/EP1015094B1/en not_active Expired - Lifetime
- 1997-09-25 US US08/937,369 patent/US5833853A/en not_active Expired - Lifetime
-
1998
- 1998-09-04 NO NO19984103A patent/NO318373B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2180946T3 (es) | 2003-02-16 |
| CA2188889C (en) | 2000-09-05 |
| DE69603696D1 (de) | 1999-09-16 |
| NO984103D0 (no) | 1998-09-04 |
| NO984103L (no) | 1998-10-21 |
| RU2159143C2 (ru) | 2000-11-20 |
| DK1015094T3 (da) | 2002-10-28 |
| PT1015094E (pt) | 2002-11-29 |
| EP0793989B1 (en) | 1999-08-11 |
| ATE220570T1 (de) | 2002-08-15 |
| EP0793989A1 (en) | 1997-09-10 |
| EP1015094A1 (en) | 2000-07-05 |
| AU1978597A (en) | 1997-09-22 |
| EP1015094B1 (en) | 2002-07-17 |
| DE69714087D1 (de) | 2002-08-22 |
| DE69603696T2 (de) | 2000-01-13 |
| WO1997032648A1 (en) | 1997-09-12 |
| NZ331722A (en) | 1999-08-30 |
| CA2188889A1 (en) | 1997-09-05 |
| EP1015094A4 (en) | 2000-07-05 |
| JP2000506773A (ja) | 2000-06-06 |
| US5711879A (en) | 1998-01-27 |
| AU713932B2 (en) | 1999-12-16 |
| US5833853A (en) | 1998-11-10 |
| BR9710529A (pt) | 2000-01-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK1K | Patent expired |