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发明名称
Fremgangsmåde til fremstilling af et tonehoved til magnetisk optagelse eller gengivelse eller begge dele.
摘要
申请公布号
DK96903(C)
申请公布日期
1963.09.16
申请号
DK19590002345
申请日期
1959.06.30
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
(IPC1-7):G10J
主分类号
(IPC1-7):G10J
代理机构
代理人
主权项
地址
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