JPS6119351A - アブレイシブ表面を有する物品及びその製造方法 - Google Patents
アブレイシブ表面を有する物品及びその製造方法Info
- Publication number
- JPS6119351A JPS6119351A JP60138841A JP13884185A JPS6119351A JP S6119351 A JPS6119351 A JP S6119351A JP 60138841 A JP60138841 A JP 60138841A JP 13884185 A JP13884185 A JP 13884185A JP S6119351 A JPS6119351 A JP S6119351A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- abrasive
- matrix
- article
- metal
- 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
- 238000004519 manufacturing process Methods 0.000 title description 9
- 239000002245 particle Substances 0.000 claims description 115
- 239000011159 matrix material Substances 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 28
- 239000003082 abrasive agent Substances 0.000 claims description 27
- 239000000919 ceramic Substances 0.000 claims description 23
- 239000010410 layer Substances 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 17
- 229910000601 superalloy Inorganic materials 0.000 claims description 16
- 238000005253 cladding Methods 0.000 claims description 10
- 239000002356 single layer Substances 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910002065 alloy metal Inorganic materials 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 24
- 239000000463 material Substances 0.000 description 21
- 229910052759 nickel Inorganic materials 0.000 description 12
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 12
- 229910010271 silicon carbide Inorganic materials 0.000 description 12
- 239000000203 mixture Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 239000010953 base metal Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000012255 powdered metal Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 229910000531 Co alloy Inorganic materials 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- CFQGDIWRTHFZMQ-UHFFFAOYSA-N argon helium Chemical compound [He].[Ar] CFQGDIWRTHFZMQ-UHFFFAOYSA-N 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
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910001055 inconels 600 Inorganic materials 0.000 description 1
- 229910001119 inconels 625 Inorganic materials 0.000 description 1
- 229910000816 inconels 718 Inorganic materials 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Laminated Bodies (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/624,446 US4610698A (en) | 1984-06-25 | 1984-06-25 | Abrasive surface coating process for superalloys |
| US624446 | 1984-06-25 | ||
| US624421 | 1984-06-25 | ||
| US06/624,421 US4744725A (en) | 1984-06-25 | 1984-06-25 | Abrasive surfaced article for high temperature service |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6119351A true JPS6119351A (ja) | 1986-01-28 |
| JPH0555295B2 JPH0555295B2 (enrdf_load_stackoverflow) | 1993-08-16 |
Family
ID=27089682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60138841A Granted JPS6119351A (ja) | 1984-06-25 | 1985-06-25 | アブレイシブ表面を有する物品及びその製造方法 |
Country Status (14)
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63162161A (ja) * | 1986-12-15 | 1988-07-05 | ユナイテッド・テクノロジーズ・コーポレイション | 多重層にて被覆されたセラミック研摩粒子 |
| JPH02303689A (ja) * | 1989-05-19 | 1990-12-17 | Matsushita Electric Works Ltd | 接点材料の接合方法 |
| JPH05209295A (ja) * | 1991-07-02 | 1993-08-20 | Wera Werk Hermann Werner Gmbh & Co | トルクを伝達する作業面を備えた工具および該工具の製作方法 |
| US6887036B2 (en) | 2001-11-09 | 2005-05-03 | Mitsubishi Heavy Industries, Ltd. | Turbine and manufacturing method therefor |
| JP2007024042A (ja) * | 2005-07-14 | 2007-02-01 | Sulzer Metco (Us) Inc | タービン・ブレードのチップを処理する方法およびその方法で処理したタービン・ブレード |
| JP2009231294A (ja) * | 1997-07-25 | 2009-10-08 | Morgan Chemical Products Inc | ホール電流イオンソース装置及び材料処理方法 |
| JP2016508202A (ja) * | 2012-11-28 | 2016-03-17 | ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｓ．Ｒ．Ｌ． | ターボ機械の中で使用するためのシールシステムおよびそれを製作する方法 |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL75564A (en) * | 1984-06-25 | 1988-02-29 | United Technologies Corp | Abrasive surfaced article for high temperature service |
| US4680199A (en) * | 1986-03-21 | 1987-07-14 | United Technologies Corporation | Method for depositing a layer of abrasive material on a substrate |
| US4689242A (en) * | 1986-07-21 | 1987-08-25 | United Technologies Corporation | Method for adhesion of grit to blade tips |
| US4802828A (en) * | 1986-12-29 | 1989-02-07 | United Technologies Corporation | Turbine blade having a fused metal-ceramic tip |
| US4808055A (en) * | 1987-04-15 | 1989-02-28 | Metallurgical Industries, Inc. | Turbine blade with restored tip |
| US5104293A (en) * | 1990-07-16 | 1992-04-14 | United Technologies Corporation | Method for applying abrasive layers to blade surfaces |
| US5484665A (en) * | 1991-04-15 | 1996-01-16 | General Electric Company | Rotary seal member and method for making |
| EP1645723A4 (en) * | 2003-06-10 | 2010-10-06 | Ihi Corp | TURBINE COMPONENT, TURBO ENGINE, METHOD FOR PRODUCING THE TURBINE COMPONENT, SURFACE TREATMENT METHOD, SHOVEL COMPONENT, METAL COMPONENT AND STEAM TURBINE ENGINE |
| US7799111B2 (en) | 2005-03-28 | 2010-09-21 | Sulzer Metco Venture Llc | Thermal spray feedstock composition |
| US8206792B2 (en) | 2006-03-20 | 2012-06-26 | Sulzer Metco (Us) Inc. | Method for forming ceramic containing composite structure |
| US7799388B2 (en) | 2006-05-26 | 2010-09-21 | Sulzer Metco Venture, Llc | Mechanical seals and method of manufacture |
| CH699312A1 (de) * | 2008-08-15 | 2010-02-15 | Alstom Technology Ltd | Schaufelanordnung einer gasturbine. |
| DE102008056741A1 (de) | 2008-11-11 | 2010-05-12 | Mtu Aero Engines Gmbh | Verschleissschutzschicht für Tial |
| US8628597B2 (en) | 2009-06-25 | 2014-01-14 | 3M Innovative Properties Company | Method of sorting abrasive particles, abrasive particle distributions, and abrasive articles including the same |
| EP2317078B2 (de) | 2009-11-02 | 2021-09-01 | Ansaldo Energia IP UK Limited | Abrasive einkristalline Turbinenschaufel |
| EP2971533B1 (en) * | 2013-03-15 | 2021-12-15 | Raytheon Technologies Corporation | Turbine blade tip treatment for industrial gas turbines |
| EP3546703A1 (de) | 2018-03-29 | 2019-10-02 | Siemens Aktiengesellschaft | Turbinenlaufschaufel für eine gasturbine |
| EP3546702A1 (de) | 2018-03-29 | 2019-10-02 | Siemens Aktiengesellschaft | Turbinenlaufschaufel für eine gasturbine |
| IT201900003691A1 (it) | 2019-03-13 | 2020-09-13 | Nuovo Pignone Tecnologie Srl | Terminale abrasivo di una pala rotorica per un turboespansore |
| CN116201759A (zh) * | 2023-01-18 | 2023-06-02 | 河北德林机械有限公司 | 一种融进小颗粒合金镀层技术的渣浆泵产品 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51104411A (ja) * | 1975-03-12 | 1976-09-16 | Toyo Kogyo Co | Fukugotainoseizoho |
| JPS58194782A (ja) * | 1982-03-05 | 1983-11-12 | ロ−ルス−ロイス・リミテツド | 複合材料被覆物および物品への適用法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE530127A (enrdf_load_stackoverflow) * | 1953-11-25 | |||
| US4018576A (en) * | 1971-11-04 | 1977-04-19 | Abrasive Technology, Inc. | Diamond abrasive tool |
| AT358947B (de) * | 1976-09-24 | 1980-10-10 | Gen Electric | Zerspanungswerkzeug, insbesondere schleifwerk- zeug, und verfahren zu seiner herstellung |
| US4169020A (en) * | 1977-12-21 | 1979-09-25 | General Electric Company | Method for making an improved gas seal |
| GB2038214A (en) * | 1978-12-21 | 1980-07-23 | Dianite Coatings Ltd | Abrasive tool |
| US4249913A (en) * | 1979-05-21 | 1981-02-10 | United Technologies Corporation | Alumina coated silicon carbide abrasive |
| US4374173A (en) * | 1979-11-06 | 1983-02-15 | Sherritt Gordon Mines Limited | Composite powders sprayable to form abradable seal coatings |
| US4386112A (en) * | 1981-11-02 | 1983-05-31 | United Technologies Corporation | Co-spray abrasive coating |
| IL75564A (en) * | 1984-06-25 | 1988-02-29 | United Technologies Corp | Abrasive surfaced article for high temperature service |
| DE3424661A1 (de) * | 1984-07-05 | 1986-01-16 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Einlaufbelag einer stroemungsmaschine |
-
1985
- 1985-06-19 IL IL75564A patent/IL75564A/xx not_active IP Right Cessation
- 1985-06-20 DE DE8585630097T patent/DE3580525D1/de not_active Expired - Lifetime
- 1985-06-20 EP EP85630097A patent/EP0166676B1/en not_active Expired - Lifetime
- 1985-06-21 AU AU43960/85A patent/AU583516B2/en not_active Ceased
- 1985-06-21 IE IE1550/85A patent/IE56633B1/en not_active IP Right Cessation
- 1985-06-21 IN IN465/CAL/85A patent/IN163804B/en unknown
- 1985-06-24 KR KR1019850004466A patent/KR930010150B1/ko not_active Expired - Fee Related
- 1985-06-24 ES ES1985295927U patent/ES295927Y/es not_active Expired
- 1985-06-24 PT PT80693A patent/PT80693B/pt not_active IP Right Cessation
- 1985-06-25 JP JP60138841A patent/JPS6119351A/ja active Granted
- 1985-06-25 MX MX205768A patent/MX165846B/es unknown
- 1985-06-25 BR BR8503041A patent/BR8503041A/pt not_active IP Right Cessation
-
1991
- 1991-02-13 SG SG76/91A patent/SG7691G/en unknown
- 1991-04-04 HK HK249/91A patent/HK24991A/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51104411A (ja) * | 1975-03-12 | 1976-09-16 | Toyo Kogyo Co | Fukugotainoseizoho |
| JPS58194782A (ja) * | 1982-03-05 | 1983-11-12 | ロ−ルス−ロイス・リミテツド | 複合材料被覆物および物品への適用法 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63162161A (ja) * | 1986-12-15 | 1988-07-05 | ユナイテッド・テクノロジーズ・コーポレイション | 多重層にて被覆されたセラミック研摩粒子 |
| JPH02303689A (ja) * | 1989-05-19 | 1990-12-17 | Matsushita Electric Works Ltd | 接点材料の接合方法 |
| JPH05209295A (ja) * | 1991-07-02 | 1993-08-20 | Wera Werk Hermann Werner Gmbh & Co | トルクを伝達する作業面を備えた工具および該工具の製作方法 |
| JP2009231294A (ja) * | 1997-07-25 | 2009-10-08 | Morgan Chemical Products Inc | ホール電流イオンソース装置及び材料処理方法 |
| US6887036B2 (en) | 2001-11-09 | 2005-05-03 | Mitsubishi Heavy Industries, Ltd. | Turbine and manufacturing method therefor |
| JP2007024042A (ja) * | 2005-07-14 | 2007-02-01 | Sulzer Metco (Us) Inc | タービン・ブレードのチップを処理する方法およびその方法で処理したタービン・ブレード |
| JP2016508202A (ja) * | 2012-11-28 | 2016-03-17 | ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｓ．Ｒ．Ｌ． | ターボ機械の中で使用するためのシールシステムおよびそれを製作する方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| SG7691G (en) | 1991-04-05 |
| EP0166676A3 (en) | 1987-08-05 |
| PT80693B (en) | 1987-01-05 |
| ES295927Y (es) | 1988-05-16 |
| KR860000125A (ko) | 1986-01-25 |
| AU4396085A (en) | 1986-01-02 |
| MX165846B (es) | 1992-12-07 |
| ES295927U (es) | 1987-12-01 |
| JPH0555295B2 (enrdf_load_stackoverflow) | 1993-08-16 |
| BR8503041A (pt) | 1986-03-11 |
| HK24991A (en) | 1991-04-12 |
| AU583516B2 (en) | 1989-05-04 |
| IL75564A (en) | 1988-02-29 |
| IE56633B1 (en) | 1991-10-23 |
| IE851550L (en) | 1985-12-25 |
| EP0166676A2 (en) | 1986-01-02 |
| DE3580525D1 (de) | 1990-12-20 |
| KR930010150B1 (ko) | 1993-10-15 |
| IN163804B (enrdf_load_stackoverflow) | 1988-11-12 |
| PT80693A (en) | 1985-07-01 |
| EP0166676B1 (en) | 1990-11-14 |
| IL75564A0 (en) | 1985-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |