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经营范围
发明名称
Noyau ferromagnétique
摘要
申请公布号
FR1260947(A)
申请公布日期
1961.05.12
申请号
FR19600830357
申请日期
1960.06.17
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
C04B35/26
主分类号
C04B35/26
代理机构
代理人
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地址
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