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发明名称
DATA BASE RETRIEVING SYSTEM
摘要
申请公布号
JPH03278268(A)
申请公布日期
1991.12.09
申请号
JP19900080154
申请日期
1990.03.28
申请人
RICOH CO LTD
发明人
KOBAYASHI KIYOHIKO
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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