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发明名称
摘要
申请公布号
SU402079(A1)
申请公布日期
1973.10.12
申请号
SU19711685516
申请日期
1971.07.27
申请人
发明人
分类号
H01H33/30;H01H33/36;(IPC1-7):H01H33/30
主分类号
H01H33/30
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代理人
主权项
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