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发明名称
Optical pickup device
摘要
申请公布号
GB2310308(A)
申请公布日期
1997.08.20
申请号
GB19970000072
申请日期
1997.01.03
申请人
发明人
分类号
G02B7/00;G02B3/08;G02B3/10;G02B13/00;G02B13/18;G11B7/00;G11B7/08;G11B7/135;(IPC1-7):G11B7/135
主分类号
G02B7/00
代理机构
代理人
主权项
地址
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