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经营范围
发明名称
Noyau magnétique et son procédé de fabrication
摘要
申请公布号
FR1081097(A)
申请公布日期
1954.12.15
申请号
FRD1081097
申请日期
1953.07.10
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
C04B35/26;H01F1/34
主分类号
C04B35/26
代理机构
代理人
主权项
地址
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