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经营范围
发明名称
Procédé et dispositifs pour la transformation de la tension du courant continu
摘要
申请公布号
FR718100(A)
申请公布日期
1932.01.19
申请号
FRD718100
申请日期
1931.06.03
申请人
发明人
DELUCHE JEAN
分类号
H01F38/06
主分类号
H01F38/06
代理机构
代理人
主权项
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