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发明名称
摘要
申请公布号
JPS4728622(Y1)
申请公布日期
1972.08.29
申请号
JP19700033649U
申请日期
1970.04.09
申请人
发明人
分类号
(IPC1-7):G04C23/14;H01H19/56;H01H43/10
主分类号
(IPC1-7):G04C23/14
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