CN201413775Y - Large-power hard copper tungsten iron composite electric contact material - Google Patents
Large-power hard copper tungsten iron composite electric contact material Download PDFInfo
- Publication number
- CN201413775Y CN201413775Y CN2009203030215U CN200920303021U CN201413775Y CN 201413775 Y CN201413775 Y CN 201413775Y CN 2009203030215 U CN2009203030215 U CN 2009203030215U CN 200920303021 U CN200920303021 U CN 200920303021U CN 201413775 Y CN201413775 Y CN 201413775Y
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- contact material
- copper
- layer
- composite electric
- copper tungsten
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009203030215U CN201413775Y (en) | 2009-05-11 | 2009-05-11 | Large-power hard copper tungsten iron composite electric contact material |
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CN2009203030215U CN201413775Y (en) | 2009-05-11 | 2009-05-11 | Large-power hard copper tungsten iron composite electric contact material |
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CN201413775Y true CN201413775Y (en) | 2010-02-24 |
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CN2009203030215U Expired - Fee Related CN201413775Y (en) | 2009-05-11 | 2009-05-11 | Large-power hard copper tungsten iron composite electric contact material |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103551575A (en) * | 2013-10-31 | 2014-02-05 | 福达合金材料股份有限公司 | Preparation method of soft magnetic electrical contact material with self-arc-quenching characteristic and product obtained by same |
-
2009
- 2009-05-11 CN CN2009203030215U patent/CN201413775Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103551575A (en) * | 2013-10-31 | 2014-02-05 | 福达合金材料股份有限公司 | Preparation method of soft magnetic electrical contact material with self-arc-quenching characteristic and product obtained by same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jingjiang Haiyuan Nonferrous Metal Material Co., Ltd. Assignor: Song Heming Contract record no.: 2011320001079 Denomination of utility model: High-power hard copper, tungsten and ferrum compound electric contact material Granted publication date: 20100224 License type: Exclusive License Record date: 20110805 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20120511 |