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经营范围
发明名称
Optical pickup apparatus
摘要
申请公布号
EP0622788(B1)
申请公布日期
1999.06.16
申请号
EP19940106501
申请日期
1994.04.26
申请人
SONY CORPORATION
发明人
EGUCHI, NAOYA;FUKUMOTO, ATSUSHI
分类号
G11B7/135;(IPC1-7):G11B7/135
主分类号
G11B7/135
代理机构
代理人
主权项
地址
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