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发明名称
摘要
申请公布号
FR2008980(A1)
申请公布日期
1970.01.30
申请号
FR19690016068
申请日期
1969.05.19
申请人
BROWN BOVERI ET CO SUISS
发明人
分类号
H02M7/12;(IPC1-7):H02H1/00
主分类号
H02M7/12
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