DE2704765A1 - Kupferlegierung, verfahren zu ihrer herstellung und ihre verwendung fuer elektrische kontaktfedern - Google Patents
Kupferlegierung, verfahren zu ihrer herstellung und ihre verwendung fuer elektrische kontaktfedernInfo
- Publication number
- DE2704765A1 DE2704765A1 DE19772704765 DE2704765A DE2704765A1 DE 2704765 A1 DE2704765 A1 DE 2704765A1 DE 19772704765 DE19772704765 DE 19772704765 DE 2704765 A DE2704765 A DE 2704765A DE 2704765 A1 DE2704765 A1 DE 2704765A1
- Authority
- DE
- Germany
- Prior art keywords
- alloy
- tempered
- cold
- precipitation
- 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.)
- Withdrawn
Links
- 229910000881 Cu alloy Inorganic materials 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 121
- 239000000956 alloy Substances 0.000 claims description 121
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 36
- 238000001556 precipitation Methods 0.000 claims description 32
- 229910052782 aluminium Inorganic materials 0.000 claims description 24
- 229910052759 nickel Inorganic materials 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 7
- 239000011135 tin Substances 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052790 beryllium Inorganic materials 0.000 claims description 5
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 239000010955 niobium Substances 0.000 claims description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052785 arsenic Inorganic materials 0.000 claims description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 230000001427 coherent effect Effects 0.000 claims description 2
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 2
- 150000002602 lanthanoids Chemical class 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims 2
- 238000010583 slow cooling Methods 0.000 claims 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 2
- 238000005482 strain hardening Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 33
- 238000005452 bending Methods 0.000 description 20
- 238000005496 tempering Methods 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 7
- 238000000137 annealing Methods 0.000 description 6
- 238000005097 cold rolling Methods 0.000 description 6
- 239000000654 additive Substances 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000004881 precipitation hardening Methods 0.000 description 4
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000001330 spinodal decomposition reaction Methods 0.000 description 3
- 229910001122 Mischmetal Inorganic materials 0.000 description 2
- 229910003310 Ni-Al Inorganic materials 0.000 description 2
- 229910001128 Sn alloy Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- PTOAARAWEBMLNO-KVQBGUIXSA-N Cladribine Chemical compound C1=NC=2C(N)=NC(Cl)=NC=2N1[C@H]1C[C@H](O)[C@@H](CO)O1 PTOAARAWEBMLNO-KVQBGUIXSA-N 0.000 description 1
- -1 Copper-nickel-aluminum Chemical compound 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- VRUVRQYVUDCDMT-UHFFFAOYSA-N [Sn].[Ni].[Cu] Chemical compound [Sn].[Ni].[Cu] VRUVRQYVUDCDMT-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 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
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Conductive Materials (AREA)
- Contacts (AREA)
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65591876A | 1976-02-06 | 1976-02-06 | |
| US05/655,791 US4016010A (en) | 1976-02-06 | 1976-02-06 | Preparation of high strength copper base alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2704765A1 true DE2704765A1 (de) | 1977-08-11 |
Family
ID=27097037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772704765 Withdrawn DE2704765A1 (de) | 1976-02-06 | 1977-02-04 | Kupferlegierung, verfahren zu ihrer herstellung und ihre verwendung fuer elektrische kontaktfedern |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5295531A (enrdf_load_stackoverflow) |
| AU (1) | AU505951B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1096756A (enrdf_load_stackoverflow) |
| DE (1) | DE2704765A1 (enrdf_load_stackoverflow) |
| FR (2) | FR2421953A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1520721A (enrdf_load_stackoverflow) |
| IT (1) | IT1082683B (enrdf_load_stackoverflow) |
| SE (1) | SE7701271L (enrdf_load_stackoverflow) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2123852B (en) * | 1982-07-19 | 1986-06-11 | Gen Electric | Electrode contacts for high currant circuit interruption |
| JPS63250434A (ja) * | 1987-04-08 | 1988-10-18 | Dowa Mining Co Ltd | コネクタ−用銅基合金 |
| EP0411882B1 (en) * | 1989-07-31 | 1995-03-22 | Toyota Jidosha Kabushiki Kaisha | Dispersion strengthened copper-base alloy for overlay |
| US5087416A (en) * | 1989-10-12 | 1992-02-11 | Gte Products Corporation | Brazing alloy of copper, silicon, titanium, aluminum |
| RU2320752C1 (ru) * | 2006-05-31 | 2008-03-27 | Юлия Алексеевна Щепочкина | Сплав |
| EP2653575B1 (en) * | 2010-12-13 | 2016-07-27 | Nippon Seisen Co., Ltd. | Copper alloy wire and copper alloy spring |
| CN104870670B (zh) | 2012-10-26 | 2017-12-22 | 仕龙阀门公司 | 白色抗微生物的铜合金 |
| CN104532055A (zh) * | 2014-11-21 | 2015-04-22 | 华南理工大学 | 一种高镍含量的变形铝白铜合金材料及其制备方法 |
| CN104630555A (zh) * | 2015-03-10 | 2015-05-20 | 济南大学 | 一种高强度耐腐蚀黄铜材料及其制备方法 |
| CN106756219B (zh) * | 2016-12-12 | 2018-08-28 | 武汉利振达机电有限公司 | 一种用于阻垢的铜镍钒触媒合金 |
| CN107653384A (zh) * | 2017-08-31 | 2018-02-02 | 宋宏婷 | 一种原位生成铝化镍增强铜基复合材料的制备方法 |
| JP7202121B2 (ja) * | 2018-09-27 | 2023-01-11 | Ｄｏｗａメタルテック株式会社 | Ｃｕ－Ｎｉ－Ａｌ系銅合金板材およびその製造方法並びに導電ばね部材 |
| JP7181768B2 (ja) * | 2018-11-13 | 2022-12-01 | Ｄｏｗａメタルテック株式会社 | 高ヤング率Ｃｕ－Ｎｉ－Ａｌ系銅合金板材およびその製造方法並びに導電ばね部材 |
| CN110358945B (zh) * | 2019-08-27 | 2020-10-30 | 天长市华海电子科技有限公司 | 一种高硬度合金锻造件及其制备工艺 |
| DE102020007257A1 (de) * | 2020-11-27 | 2022-06-02 | Wieland-Werke Aktiengesellschaft | Kupfer-Nickel-Guss-Legierung |
| CN115044747B (zh) * | 2022-05-16 | 2023-02-10 | 上海交通大学 | 一种提升镍铝青铜合金强度和韧性的热处理工艺方法 |
| CN116043061A (zh) * | 2023-01-18 | 2023-05-02 | 中南大学 | 一种弹性铜合金及其制备方法 |
| CN117535553A (zh) * | 2023-11-14 | 2024-02-09 | 安徽工程大学 | 一种抗高温氧化、耐高温软化高强Cu合金及其制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR742648A (enrdf_load_stackoverflow) * | 1933-03-10 | |||
| GB191408270A (en) * | 1914-04-01 | 1915-04-01 | George Albert Joyce | Improvements relating to Alloys or Nickel, Copper, and Aluminium, with or without Steel. |
| US1496269A (en) * | 1921-01-07 | 1924-06-03 | Mitsubishi Zosen Kaisha Ltd | Alloy |
| FR724019A (fr) * | 1931-07-23 | 1932-04-19 | Mond Nickel Co Ltd | Perfectionnements aux alliages pour tubes et autres organes de condenseurs soumis à une action corrosive |
| DE655931C (de) * | 1933-08-17 | 1938-01-27 | Eugen Vaders Dr | Verguetbare Kupfer-Nickel-Legierung |
| GB425547A (en) * | 1933-09-16 | 1935-03-18 | Henry Winder Brownsdon | Improvements in or relating to the manufacture of springs and like resilient metal articles |
| FR911151A (fr) * | 1939-01-13 | 1946-07-01 | Ici Ltd | Perfectionnements aux alliages de cuivre |
| DE1458450A1 (de) * | 1962-08-02 | 1969-09-18 | Kabel Metallwerke Ghh | Aluminiumhaltige Kupfer-Nickel-Gusslegierung fuer selbstaushaertende Gussstuecke mitverbessertem Formaenderungsvermoegen |
| DE1558471A1 (de) * | 1967-02-03 | 1970-03-19 | Dies Dr Ing Kurt | Kupferlegierung fuer Ventilfuehrung |
| SU405964A1 (ru) * | 1971-09-27 | 1973-11-05 | Сплав на основе меди |
-
1977
- 1977-02-02 CA CA270,907A patent/CA1096756A/en not_active Expired
- 1977-02-02 GB GB421577A patent/GB1520721A/en not_active Expired
- 1977-02-04 FR FR7703255A patent/FR2421953A1/fr active Granted
- 1977-02-04 SE SE7701271A patent/SE7701271L/ not_active Application Discontinuation
- 1977-02-04 IT IT4793377A patent/IT1082683B/it active
- 1977-02-04 DE DE19772704765 patent/DE2704765A1/de not_active Withdrawn
- 1977-02-04 JP JP1155677A patent/JPS5295531A/ja active Pending
- 1977-02-04 AU AU21973/77A patent/AU505951B2/en not_active Expired
-
1979
- 1979-03-15 FR FR7906640A patent/FR2422727A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CA1096756A (en) | 1981-03-03 |
| JPS5295531A (en) | 1977-08-11 |
| IT1082683B (it) | 1985-05-21 |
| AU505951B2 (en) | 1979-12-06 |
| FR2421953A1 (fr) | 1979-11-02 |
| SE7701271L (sv) | 1977-08-07 |
| FR2422727A1 (fr) | 1979-11-09 |
| AU2197377A (en) | 1978-08-10 |
| FR2421953B1 (enrdf_load_stackoverflow) | 1982-07-16 |
| GB1520721A (enrdf_load_stackoverflow) | 1978-08-09 |
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| DE2247333A1 (de) | Verfahren zum herstellen von kupferlegierungen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |