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发明名称
摘要
申请公布号
FR2094040(A1)
申请公布日期
1972.02.04
申请号
FR19710020089
申请日期
1971.06.03
申请人
BROWN BOVERI ET CO SUISS
发明人
分类号
G01R31/02;G01R31/10;G01R31/12;(IPC1-7):G01R31/00
主分类号
G01R31/02
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