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发明名称
摘要
申请公布号
JPS5326662(B2)
申请公布日期
1978.08.03
申请号
JP19730121381
申请日期
1973.10.29
申请人
发明人
分类号
H01H43/04;G04B23/10;G04C21/20;G04C23/02;G04C23/16;H01H43/12
主分类号
H01H43/04
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