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发明名称
Dispositifs de protection pour appareils électriques
摘要
申请公布号
FR845999(A)
申请公布日期
1939.09.06
申请号
FRD845999
申请日期
1938.11.15
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H03F1/54
主分类号
H03F1/54
代理机构
代理人
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