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发明名称
OPTICAL PICKUP DEVICE, OBJECTIVE OPTICAL ELEMENT, AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE
摘要
申请公布号
EP1990801(B1)
申请公布日期
2011.12.14
申请号
EP20070714670
申请日期
2007.02.21
申请人
KONICA MINOLTA OPTO, INC.
发明人
NAKAMURA, KENTAROU;NOMURA, EIJI;MORI, NOBUYOSHI;OTA, KOHEI
分类号
G02B13/18;G11B7/135;G02B5/18;G02B13/00;G11B7/09;G11B7/125
主分类号
G02B13/18
代理机构
代理人
主权项
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