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发明名称
Relais indicateur de mise à la terre
摘要
申请公布号
FR818150(A)
申请公布日期
1937.09.18
申请号
FRD818150
申请日期
1937.02.20
申请人
BROWN, BOVERI & COMPAGNIE
发明人
分类号
H02H3/42
主分类号
H02H3/42
代理机构
代理人
主权项
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