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发明名称
OPTICAL SYSTEM, OPTICAL PICKUP APPARATUS, AND OPTICAL DISK APPARATUS
摘要
申请公布号
EP1854098(A1)
申请公布日期
2007.11.14
申请号
EP20060728785
申请日期
2006.03.02
申请人
RICOH COMPANY, LTD.
发明人
OGATA, TETSUYA
分类号
G11B7/005;G11B7/135
主分类号
G11B7/005
代理机构
代理人
主权项
地址
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