ATE120301T1 - Verfahren zur behandlung von teilchen, die zur herstellung von material zur elektromagnetischen abschirmung benutzt werden. - Google Patents
Verfahren zur behandlung von teilchen, die zur herstellung von material zur elektromagnetischen abschirmung benutzt werden.Info
- Publication number
- ATE120301T1 ATE120301T1 AT90121272T AT90121272T ATE120301T1 AT E120301 T1 ATE120301 T1 AT E120301T1 AT 90121272 T AT90121272 T AT 90121272T AT 90121272 T AT90121272 T AT 90121272T AT E120301 T1 ATE120301 T1 AT E120301T1
- Authority
- AT
- Austria
- Prior art keywords
- electromagnetic shielding
- shielding material
- particles used
- produce electromagnetic
- particles
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
- B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/04—Fixed joints
- H01P1/042—Hollow waveguide joints
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0005—Conductive
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12049—Nonmetal component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12674—Ge- or Si-base component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
- Y10T428/12715—Next to Group IB metal-base component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
- Y10T428/12722—Next to Group VIII metal-base component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/12743—Next to refractory [Group IVB, VB, or VIB] metal-base component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/1275—Next to Group VIII or IB metal-base component
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Conductive Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Powder Metallurgy (AREA)
- Sealing Material Composition (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/762,962 US4678716A (en) | 1985-08-06 | 1985-08-06 | Electromagnetic shielding |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE120301T1 true ATE120301T1 (de) | 1995-04-15 |
Family
ID=25066522
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90121272T ATE120301T1 (de) | 1985-08-06 | 1986-08-01 | Verfahren zur behandlung von teilchen, die zur herstellung von material zur elektromagnetischen abschirmung benutzt werden. |
AT86305928T ATE69907T1 (de) | 1985-08-06 | 1986-08-01 | Material zur elektromagnetischen abschirmung und herstellungsverfahren. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT86305928T ATE69907T1 (de) | 1985-08-06 | 1986-08-01 | Material zur elektromagnetischen abschirmung und herstellungsverfahren. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4678716A (de) |
EP (2) | EP0424977B1 (de) |
JP (1) | JPS6285500A (de) |
AT (2) | ATE120301T1 (de) |
CA (1) | CA1278420C (de) |
DE (2) | DE3682635D1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4734140A (en) * | 1985-08-06 | 1988-03-29 | Chomerics, Inc. | Heat treatment of electromagnetic shielding composition |
DE3620172A1 (de) * | 1986-06-14 | 1987-12-17 | Vacuumschmelze Gmbh | Abschirmhuelle aus elektrisch leitenden elementen |
US4780575A (en) * | 1987-05-14 | 1988-10-25 | Flavin John W | Electrically conductive elastomer composition |
EP0591126A4 (en) * | 1988-08-29 | 1995-09-06 | Marian J Ostolski | Process for making noble metal coated metallic particles, and resulting conductive materials |
US4948922A (en) * | 1988-09-15 | 1990-08-14 | The Pennsylvania State University | Electromagnetic shielding and absorptive materials |
US5175056A (en) * | 1990-06-08 | 1992-12-29 | Potters Industries, Inc. | Galvanically compatible conductive filler |
US5399432A (en) * | 1990-06-08 | 1995-03-21 | Potters Industries, Inc. | Galvanically compatible conductive filler and methods of making same |
US5115140A (en) * | 1991-01-24 | 1992-05-19 | Progressive Products, Inc. | EMR/RFR/MWR body shield composition |
US5186635A (en) * | 1992-03-24 | 1993-02-16 | United Technologies Corporation | Electrical connector assembly with EMI protection |
US6719293B1 (en) * | 1992-08-19 | 2004-04-13 | The Boeing Company | Corrosion resistant gasket for aircraft |
US5791654A (en) * | 1992-08-19 | 1998-08-11 | The Boeing Company | Corrosion resistant gasket in combination with aircraft antenna |
US6454276B2 (en) * | 1992-08-19 | 2002-09-24 | The Boeing Company | Corrosion resistant gasket for aircraft |
US6454267B1 (en) * | 1992-08-19 | 2002-09-24 | The Boeing Company | Corrosion resistant gasket for aircraft |
US5401914A (en) * | 1993-02-03 | 1995-03-28 | The Curran Company | Vent for shielded enclosures |
US6303180B1 (en) | 1993-09-10 | 2001-10-16 | Parker-Hannifin Corporation | Form-in-place EMI gaskets |
CA2129073C (en) * | 1993-09-10 | 2007-06-05 | John P. Kalinoski | Form-in-place emi gaskets |
US5519168A (en) * | 1993-10-12 | 1996-05-21 | Owens; William M. | Electromagnetic interference shielding |
US5910524A (en) * | 1995-01-20 | 1999-06-08 | Parker-Hannifin Corporation | Corrosion-resistant, form-in-place EMI shielding gasket |
US5641438A (en) * | 1995-01-24 | 1997-06-24 | Bunyan; Michael H. | Method for forming an EMI shielding gasket |
US6635354B2 (en) | 1995-01-20 | 2003-10-21 | Parker-Hannifin Corporation | Form-in place EMI gaskets |
DE19617656A1 (de) * | 1996-05-03 | 1997-11-06 | Siegfried Schaal Metallveredel | Abschirm-Formteil für elektronische Bauelemente |
JP2000106197A (ja) * | 1998-09-30 | 2000-04-11 | Aisin Takaoka Ltd | 燃料電池及び燃料電池用セパレータ |
US6646199B2 (en) | 1999-10-20 | 2003-11-11 | Chemque, Inc. | Polymeric foam gaskets and seals |
US6483719B1 (en) * | 2000-03-21 | 2002-11-19 | Spraylat Corporation | Conforming shielded form for electronic component assemblies |
US20040053055A1 (en) * | 2002-07-03 | 2004-03-18 | Robinson John W. | Rubber toughened epoxy resins for resin infusion processing, methods of using the resins and articles made therefrom |
WO2005080633A2 (en) * | 2004-02-17 | 2005-09-01 | Tyco Printed Circuit Group Lp | Method for zinc coating aluminum |
US20060047053A1 (en) * | 2004-08-27 | 2006-03-02 | Ivan Pawlenko | Thermoconductive composition for RF shielding |
US7355857B2 (en) | 2006-02-07 | 2008-04-08 | Methode Electronics, Inc. | Heat sink gasket |
EP2004873A1 (de) * | 2006-04-12 | 2008-12-24 | Ciba Holding Inc. | Verfahren zur behandlung von metallbeschichteten teilchen |
WO2009158045A1 (en) * | 2008-06-23 | 2009-12-30 | Parker-Hannifin Corporation | Emi shielding materials |
CA2704683A1 (en) * | 2010-05-28 | 2010-08-12 | Ibm Canada Limited - Ibm Canada Limitee | Grounded lid for micro-electronic assemblies |
KR101319488B1 (ko) * | 2012-01-06 | 2013-10-17 | 한국전자통신연구원 | 전자파 차폐 구조를 위한 환기구 구조체 |
EP2787510B1 (de) * | 2013-04-02 | 2018-05-30 | Heraeus Deutschland GmbH & Co. KG | Partikel mit Al, Si und Mg in elektrisch leitenden Pasten und Solarzellenherstellung |
JP6230022B2 (ja) * | 2014-02-27 | 2017-11-15 | 国立大学法人秋田大学 | Ag被覆Al−Si合金粒子及びその製造方法、並びに、導電性ペースト |
CN113020587B (zh) * | 2021-02-09 | 2022-12-30 | 哈尔滨工业大学(深圳) | 银包铜粉的制备方法 |
CN114916217B (zh) * | 2022-05-30 | 2023-08-29 | 中国电子科技集团公司第二十九研究所 | 一种高屏蔽效能的带自粘胶型导电密封衬垫 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3194860A (en) * | 1962-10-02 | 1965-07-13 | John E Ehrreich | Manufacture of reinforced conductive plastic gaskets |
US3140342A (en) * | 1963-07-05 | 1964-07-07 | Chomerics Inc | Electrical shielding and sealing gasket |
US3202488A (en) * | 1964-03-04 | 1965-08-24 | Chomerics Inc | Silver-plated copper powder |
US3476530A (en) * | 1966-06-10 | 1969-11-04 | Chomerics Inc | Iron based conductive filler for plastics |
US4030892A (en) * | 1976-03-02 | 1977-06-21 | Allied Chemical Corporation | Flexible electromagnetic shield comprising interlaced glassy alloy filaments |
US4076652A (en) * | 1976-05-24 | 1978-02-28 | E. I. Du Pont De Nemours And Company | Elastic resistor compositions containing metallic-conductive particles and conductive lubricant particles |
US4189618A (en) * | 1978-07-31 | 1980-02-19 | Allied Chemical Corporation | Electromagnetic shielding envelopes from wound glassy metal filaments |
US4174419A (en) * | 1978-11-08 | 1979-11-13 | Allied Chemical Corporation | Stabilized magnetic shields |
US4305847A (en) * | 1979-07-26 | 1981-12-15 | Acheson Industries, Inc. | Copper coating composition for shielding electronic equipment and the like |
US4316944A (en) * | 1980-06-18 | 1982-02-23 | United Technologies Corporation | Noble metal-chromium alloy catalysts and electrochemical cell |
US4507359A (en) * | 1980-12-22 | 1985-03-26 | Chomerics, Inc. | Electromagnetic shielding |
US4434541A (en) * | 1980-12-22 | 1984-03-06 | Chomerics, Inc. | Electromagnetic shielding |
US4404125A (en) * | 1981-10-14 | 1983-09-13 | General Electric Company | Polyphenylene ether resin compositions for EMI electromagnetic interference shielding |
US4442182A (en) * | 1982-05-26 | 1984-04-10 | Teledyne Penn-Union | One-piece, composite electrical connector |
JPS6042442A (ja) * | 1983-08-19 | 1985-03-06 | Nippon Oil Co Ltd | 導電性樹脂組成物 |
JPS6099182A (ja) * | 1983-11-04 | 1985-06-03 | Atsugi Chuo Kenkyusho Kk | シアノアクリレート混合用金属粉 |
-
1985
- 1985-08-06 US US06/762,962 patent/US4678716A/en not_active Expired - Lifetime
-
1986
- 1986-08-01 DE DE8686305928T patent/DE3682635D1/de not_active Expired - Lifetime
- 1986-08-01 AT AT90121272T patent/ATE120301T1/de not_active IP Right Cessation
- 1986-08-01 EP EP90121272A patent/EP0424977B1/de not_active Expired - Lifetime
- 1986-08-01 DE DE3650280T patent/DE3650280T2/de not_active Expired - Fee Related
- 1986-08-01 EP EP86305928A patent/EP0213762B1/de not_active Expired - Lifetime
- 1986-08-01 AT AT86305928T patent/ATE69907T1/de not_active IP Right Cessation
- 1986-08-06 CA CA000515441A patent/CA1278420C/en not_active Expired - Lifetime
- 1986-08-06 JP JP61183519A patent/JPS6285500A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1278420C (en) | 1991-01-02 |
EP0213762B1 (de) | 1991-11-27 |
DE3682635D1 (de) | 1992-01-09 |
JPS6285500A (ja) | 1987-04-18 |
EP0213762A2 (de) | 1987-03-11 |
EP0213762A3 (en) | 1987-11-04 |
US4678716A (en) | 1987-07-07 |
EP0424977A2 (de) | 1991-05-02 |
DE3650280T2 (de) | 1995-08-10 |
DE3650280D1 (de) | 1995-04-27 |
JPH0231519B2 (de) | 1990-07-13 |
EP0424977B1 (de) | 1995-03-22 |
ATE69907T1 (de) | 1991-12-15 |
EP0424977A3 (en) | 1991-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |