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发明名称
Data authentication
摘要
申请公布号
GB2374718(A)
申请公布日期
2002.10.23
申请号
GB20010009034
申请日期
2001.04.11
申请人
* HEWLETT-PACKARD COMPANY
发明人
KEITH ALEXANDER * HARRISON
分类号
G11B19/12;G11B20/00;G11B23/00;G11B23/28;(IPC1-7):G11B20/00
主分类号
G11B19/12
代理机构
代理人
主权项
地址
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