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发明名称
DISK FILE
摘要
申请公布号
IE781537(L)
申请公布日期
1979.03.30
申请号
IE19780001537
申请日期
1978.07.28
申请人
INTERNATIONAL BUSINESS MACHINES CORP
发明人
分类号
G11B21/02;G11B5/54;G11B17/30;G11B25/04;(IPC1-7):G11B1/00;G11B5/012;G11B5/55
主分类号
G11B21/02
代理机构
代理人
主权项
地址
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