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经营范围
发明名称
Dispositif de protection contre une insuffisance de mise à la terre
摘要
申请公布号
FR993860(A)
申请公布日期
1951.11.08
申请号
FRD993860
申请日期
1944.10.19
申请人
发明人
PRAT FRANCOIS
分类号
H02H3/14
主分类号
H02H3/14
代理机构
代理人
主权项
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