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发明名称
Perfectionnements apportés aux convertisseurs à contacts pour du courant alternatif polyphasé
摘要
申请公布号
FR936688(A)
申请公布日期
1948.07.27
申请号
FRD936688
申请日期
1944.07.11
申请人
发明人
COUR JENS LASSEN LA;WIDAKOWICH MARIUS
分类号
H02M7/98
主分类号
H02M7/98
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代理人
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地址
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