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发明名称
INFORMATION RETRIEVING SYSTEM
摘要
申请公布号
JPH0341560(A)
申请公布日期
1991.02.22
申请号
JP19890177764
申请日期
1989.07.10
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
KAWASHITA MITSURU;SEKINE JUN;SUZUKI KENJI
分类号
G06F17/30
主分类号
G06F17/30
代理机构
代理人
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地址
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