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发明名称
DOCUMENT RETRIEVING DEVICE
摘要
申请公布号
JPH02289085(A)
申请公布日期
1990.11.29
申请号
JP19890050022
申请日期
1989.03.03
申请人
RICOH CO LTD
发明人
OGAWA YASUTSUGU
分类号
G06F17/21;G06F17/30
主分类号
G06F17/21
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代理人
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