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经营范围
发明名称
INFORMATION RETRIEVING DEVICE
摘要
申请公布号
JPH02287674(A)
申请公布日期
1990.11.27
申请号
JP19890107266
申请日期
1989.04.28
申请人
RICOH CO LTD
发明人
IMAGOU SHIYOU
分类号
G06F17/30
主分类号
G06F17/30
代理机构
代理人
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