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发明名称
Optical pickup device
摘要
申请公布号
EP0745980(B1)
申请公布日期
1999.06.16
申请号
EP19960111456
申请日期
1992.11.16
申请人
SONY CORPORATION
发明人
OHSATO, KIYOSHI
分类号
G11B7/09;G11B7/095;G11B7/135;G11B11/105;(IPC1-7):G11B7/09;G11B7/125
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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