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经营范围
发明名称
Geschlossener ferromagnetischer Kern
摘要
申请公布号
DE1030476(B)
申请公布日期
1958.05.22
申请号
DE1956S047878
申请日期
1956.03.09
申请人
WILLEM SMIT & CO'S TRANSFORMATORENFABRIEK N. V.
发明人
分类号
H01F27/245
主分类号
H01F27/245
代理机构
代理人
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