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发明名称
摘要
申请公布号
DD125454(A1)
申请公布日期
1977.04.20
申请号
DD19760192347
申请日期
1976.04.14
申请人
发明人
分类号
H01H9/16;(IPC1-7):H01H9/16
主分类号
H01H9/16
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