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发明名称
摘要
申请公布号
JPS5139815(Y1)
申请公布日期
1976.09.29
申请号
JP19700086267U
申请日期
1970.08.29
申请人
发明人
分类号
H01H43/04;G04C23/08;G12B11/04;(IPC1-7):H01H43/04
主分类号
H01H43/04
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