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发明名称
INFORMATION RETRIEVING DEVICE
摘要
申请公布号
JPH01181123(A)
申请公布日期
1989.07.19
申请号
JP19880004720
申请日期
1988.01.14
申请人
HITACHI LTD
发明人
YAMADA YOSHIHIRO
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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