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发明名称
SELF-PURGING DISK SYSTEM
摘要
申请公布号
US3631423(A)
申请公布日期
1971.12.28
申请号
USD3631423
申请日期
1969.06.13
申请人
BURROUGHS CORP.
发明人
ROBERT GEORGE GROOM
分类号
G11B33/14;G11B23/50;(IPC1-7):G11B5/40;B01D45/18
主分类号
G11B33/14
代理机构
代理人
主权项
地址
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