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发明名称
METHODS OF USING MAGNETIC DIGITAL DATA RECORDERS
摘要
申请公布号
GB1513484(A)
申请公布日期
1978.06.07
申请号
GB19760036047
申请日期
1976.08.31
申请人
IBM CORP
发明人
分类号
G11B20/14;G11B20/10;(IPC1-7):G11B5/45
主分类号
G11B20/14
代理机构
代理人
主权项
地址
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