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发明名称
World wide web news retrieval system
摘要
申请公布号
EP0834822(A3)
申请公布日期
1999.04.28
申请号
EP19970307009
申请日期
1997.09.10
申请人
CANON INFORMATION SYSTEMS, INC.
发明人
NEHAB, SMADAR;WICKRAMARATNE, MANJULA G.;KLARK, PAUL L.
分类号
G06F12/00;G06F13/00;G06F17/30;(IPC1-7):G06F17/30
主分类号
G06F12/00
代理机构
代理人
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