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发明名称
Système de commande pour moteurs électriques
摘要
申请公布号
FR848758(A)
申请公布日期
1939.11.07
申请号
FRD848758
申请日期
1939.01.11
申请人
ELECTRICAL RESEARCH PRODUCTS INC.
发明人
分类号
主分类号
代理机构
代理人
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