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发明名称
摘要
申请公布号
CS156332(B1)
申请公布日期
1974.07.24
申请号
CS19720002632
申请日期
1972.04.19
申请人
发明人
分类号
H01H9/54;(IPC1-7):H01H9/54
主分类号
H01H9/54
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代理人
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