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发明名称
MAGNETIC RECORDING APPARATUS AND METHOD
摘要
申请公布号
GB1525561(A)
申请公布日期
1978.09.20
申请号
GB19740029817
申请日期
1975.10.02
申请人
EMI LTD
发明人
分类号
G11B5/86;H03G5/16;H03G9/02;(IPC1-7):H04B1/64
主分类号
G11B5/86
代理机构
代理人
主权项
地址
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