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发明名称
Circuit magnétique perfectionné, en tôles à cristaux orientés, pour transformateur électrique triphasé
摘要
申请公布号
FR1072807(A)
申请公布日期
1954.09.16
申请号
FRD1072807
申请日期
1953.03.09
申请人
LE TRANSFORMATEUR
发明人
分类号
H01F27/245
主分类号
H01F27/245
代理机构
代理人
主权项
地址
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