发明名称 |
Contact material for vacuum circuit breaker |
摘要 |
A contact material for a vacuum circuit breaker having excellent properties, which consists essentially of copper, molybdenum, one member selected from the group consisting of niobium and tantalum, and one or more kinds of low melting point materials.
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申请公布号 |
US4927989(A) |
申请公布日期 |
1990.05.22 |
申请号 |
US19890336517 |
申请日期 |
1989.04.11 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
NAYA, EIZO;OKUMURA, MITSUHIRO;MIYAMOTO, SEIICHI |
分类号 |
H01H33/66;C22C1/04;C22C9/00;H01H1/02 |
主分类号 |
H01H33/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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