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发明名称
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申请公布号
JPS4814548(U)
申请公布日期
1973.02.17
申请号
JP19710056414U
申请日期
1971.06.29
申请人
发明人
分类号
H01H73/50;H01H73/48;(IPC1-7):H01H73/48
主分类号
H01H73/50
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