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发明名称
Perfectionnements aux dispositifs de détection de défauts à la terre dans les réseaux électriques
摘要
申请公布号
BE619653(A1)
申请公布日期
1963.01.02
申请号
BE19620619653
申请日期
1962.07.02
申请人
CHARBONNAGES DE FRANCE
发明人
分类号
H02H3/16;H02H11/00;(IPC1-7):H02D
主分类号
H02H3/16
代理机构
代理人
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