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发明名称
摘要
申请公布号
JPS5221874(Y2)
申请公布日期
1977.05.19
申请号
JP19720096450U
申请日期
1972.08.17
申请人
发明人
分类号
H01H50/46;H01H50/54;H01H50/56;H01H50/60;H01H51/06;(IPC1-7):H01H50/60
主分类号
H01H50/46
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