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发明名称
DATABASE RETRIEVAL SYSTEM
摘要
申请公布号
JPH1131157(A)
申请公布日期
1999.02.02
申请号
JP19970188724
申请日期
1997.07.14
申请人
NEC CORP
发明人
SAYAMA MASAHIKO
分类号
G06F12/00;G06F17/30;(IPC1-7):G06F17/30
主分类号
G06F12/00
代理机构
代理人
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地址
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