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发明名称
DIGITAL CONCEPT COORDINATION INFORMATION RETRIEVAL SYSTEM
摘要
申请公布号
CA777988(A)
申请公布日期
1968.02.06
申请号
CAD777988
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
LOUIS D. STEVENS;JAMES R. SWEET;JACK O. HILDEBRAND
分类号
主分类号
代理机构
代理人
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