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发明名称
摘要
申请公布号
SU381111(A1)
申请公布日期
1973.05.15
申请号
SU19701490344
申请日期
1970.11.09
申请人
发明人
分类号
H01H13/20;(IPC1-7):H01H13/20
主分类号
H01H13/20
代理机构
代理人
主权项
地址
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