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发明名称
MAGNETIC DISC APPARATUS
摘要
申请公布号
GB1465288(A)
申请公布日期
1977.02.23
申请号
GB19740043442
申请日期
1974.10.08
申请人
IBM CORP
发明人
分类号
G11B17/032;G11B17/32;G11B17/34;(IPC1-7):G11B5/48;G11B5/01
主分类号
G11B17/032
代理机构
代理人
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地址
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