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.
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
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