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经营范围
发明名称
Ferromagnetisches Ferritmaterial
摘要
申请公布号
CH369834(A)
申请公布日期
1963.06.15
申请号
CH19570044299
申请日期
1957.03.27
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
MARTINUS VAN DER BURGT,CORNELIS;FREDERIK GUGELOT,JOHAN
分类号
C04B35/26
主分类号
C04B35/26
代理机构
代理人
主权项
地址
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