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发明名称
DISC FILE HAVING AT LEAST TWO FILTERS
摘要
申请公布号
GB2202076(A)
申请公布日期
1988.09.14
申请号
GB19870005274
申请日期
1987.03.06
申请人
* INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
IVOR WILLIAM * BOLTON;RICHARD NICHOLAS * GIBBONS
分类号
G11B25/04;G11B33/14;(IPC1-7):G11B23/50
主分类号
G11B25/04
代理机构
代理人
主权项
地址
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