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发明名称
Data access based on human-produced images
摘要
申请公布号
EP0635798(B1)
申请公布日期
2000.10.04
申请号
EP19940305355
申请日期
1994.07.20
申请人
XEROX CORPORATION
发明人
JOHNSON, WALTER A.L.
分类号
G06K9/00;G06F17/30;(IPC1-7):G06F17/30
主分类号
G06K9/00
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代理人
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