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发明名称
OPTICAL PICKUP DEVICE AND OPTICAL INFORMATION PROCESSING APPARATUS USING THE OPTICAL PICKUP DEVICE
摘要
申请公布号
KR20100117671(A)
申请公布日期
2010.11.03
申请号
KR20107020551
申请日期
2009.03.03
申请人
RICOH CO., LTD.
发明人
HIRAI HIDEAKI
分类号
G11B7/135
主分类号
G11B7/135
代理机构
代理人
主权项
地址
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