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经营范围
发明名称
Optical pickup apparatus
摘要
申请公布号
EP0537712(B1)
申请公布日期
1996.12.11
申请号
EP19920117553
申请日期
1992.10.14
申请人
SONY CORPORATION
发明人
ASOMA, YOSHITO;HINENO, SATOSHI
分类号
G11B7/135;G11B11/10;G11B11/105;(IPC1-7):G11B7/125
主分类号
G11B7/135
代理机构
代理人
主权项
地址
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