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发明名称
INFORMATION RETRIEVAL SYSTEMS
摘要
申请公布号
GB1357364(A)
申请公布日期
1974.06.19
申请号
GB19710014688
申请日期
1971.05.13
申请人
EASTMAN KODAK CO
发明人
分类号
G06K21/04;(IPC1-7):B42F19/04;B42F17/34
主分类号
G06K21/04
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