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经营范围
发明名称
OPTICAL INFORMATION REPRODUCING DEVICE
摘要
申请公布号
JPH05234224(A)
申请公布日期
1993.09.10
申请号
JP19920030467
申请日期
1992.02.18
申请人
RICOH CO LTD
发明人
SAKUYAMA HIROYUKI
分类号
G11B17/04;G11B17/043;(IPC1-7):G11B17/04
主分类号
G11B17/04
代理机构
代理人
主权项
地址
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