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发明名称
METHOD AND DEVICE FOR JUDGING POSSIBILITY TO PROVIDE INFORMATION AT INFORMATION PROVIDING SYSTEM
摘要
申请公布号
JPH04275673(A)
申请公布日期
1992.10.01
申请号
JP19910035851
申请日期
1991.03.01
申请人
HITACHI LTD
发明人
IMAI HIROSHI;CHIGIRA HIDEKI
分类号
G06F17/30
主分类号
G06F17/30
代理机构
代理人
主权项
地址
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