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发明名称
Procédé et dispositions pour l'indication de défauts, avec sélection des phases,dans les réseaux électriques polyphasés
摘要
申请公布号
FR845442(A)
申请公布日期
1939.08.23
申请号
FRD845442
申请日期
1938.04.28
申请人
SOCIETE GENERALE DE CONSTRUCTIONS ELECTRIQUES ET MECANIQUES
发明人
分类号
H02H3/353
主分类号
H02H3/353
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代理人
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