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发明名称
摘要
申请公布号
JPS53104970(U)
申请公布日期
1978.08.23
申请号
JP19770011088U
申请日期
1977.01.31
申请人
发明人
分类号
H01H21/00;G01G19/413;H01H13/04;(IPC1-7):H01H13/04
主分类号
H01H21/00
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代理人
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