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发明名称
摘要
申请公布号
JPS5617872(Y2)
申请公布日期
1981.04.25
申请号
JP19750077590U
申请日期
1975.06.10
申请人
发明人
分类号
H01H43/10;G04C23/14;(IPC1-7):H01H43/10
主分类号
H01H43/10
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