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发明名称
Perfectionnements aux relais différentiels avec transformateur
摘要
申请公布号
FR1300109(A)
申请公布日期
1962.08.03
申请号
FR19600836667
申请日期
1960.08.23
申请人
发明人
KESL KAREL
分类号
H01H71/32
主分类号
H01H71/32
代理机构
代理人
主权项
地址
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