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发明名称
Dispositif pour engendrer un champ magnetique
摘要
申请公布号
FR1100721(A)
申请公布日期
1955.09.23
申请号
FRD1100721
申请日期
1954.05.17
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
C08L69/00;H01F7/02;H01J23/087
主分类号
C08L69/00
代理机构
代理人
主权项
地址
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