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发明名称
MAGNETIC RECORDING
摘要
申请公布号
CA666763(A)
申请公布日期
1963.07.16
申请号
CAD666763
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
JOHANNES H. WESSELS;FRANCISCUS T. BACKERS
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代理机构
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