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发明名称
MAGNETIC RECORDING AND PLAYBACK
摘要
申请公布号
GB2029074(B)
申请公布日期
1982.07.14
申请号
GB19780033874
申请日期
1978.08.18
申请人
EMI LTD
发明人
分类号
G06K7/08;G06K19/12;G07D7/04;G07D7/20;(IPC1-7):G11B5/09;G11B23/40
主分类号
G06K7/08
代理机构
代理人
主权项
地址
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