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发明名称
OPTICAL PICKUP DEVICE
摘要
申请公布号
JPH09231597(A)
申请公布日期
1997.09.05
申请号
JP19960034093
申请日期
1996.02.21
申请人
SONY CORP
发明人
IIZUKA GENICHI
分类号
G11B7/09;G11B7/12;(IPC1-7):G11B7/12
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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