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发明名称
Perfectionnements aux systèmes de protection électriques et aux relais destinés à être utilisés avec ces systèmes
摘要
申请公布号
FR678769(A)
申请公布日期
1930.04.04
申请号
FRD678769
申请日期
1929.07.19
申请人
A. REYROLLE & COMPANY LIMITED
发明人
分类号
H02H7/30
主分类号
H02H7/30
代理机构
代理人
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地址
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