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发明名称
EARTH FAULT DETECTOR
摘要
申请公布号
CA727247(A)
申请公布日期
1966.02.01
申请号
CAD727247
申请日期
申请人
CHARBONNAGES DE FRANCE
发明人
CLAUDE GAGNIERE;PIERRE BELUGOU
分类号
主分类号
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