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经营范围
发明名称
Magnetisk Materiale.
摘要
申请公布号
DK41749(C)
申请公布日期
1930.03.03
申请号
DKD41749
申请日期
1925.08.27
申请人
INDEHAVERE AF EN ELEKTRISK FORRETNING 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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