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发明名称
摘要
申请公布号
JPS52166747(U)
申请公布日期
1977.12.17
申请号
JP19760076265U
申请日期
1976.06.10
申请人
发明人
分类号
H01H50/24;H01H50/00;H01H50/18;(IPC1-7):H01H50/18
主分类号
H01H50/24
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代理人
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