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发明名称
摘要
申请公布号
FR2134431(B1)
申请公布日期
1977.08.26
申请号
FR19720014407
申请日期
1972.04.24
申请人
BBC SA BROWN BOVERI ET CIE
发明人
分类号
H01H3/30;H01H51/10;(IPC1-7):H01H3/00
主分类号
H01H3/30
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