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发明名称
Perfectionnements à la protection sélective des réseaux, à point neutre isolé
摘要
申请公布号
FR691466(A)
申请公布日期
1930.10.22
申请号
FRD691466
申请日期
1930.03.07
申请人
发明人
JONNART ANDRE
分类号
H02H7/26
主分类号
H02H7/26
代理机构
代理人
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