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发明名称
OPTICAL PICKUP DEVICE
摘要
申请公布号
JPH01194147(A)
申请公布日期
1989.08.04
申请号
JP19880019396
申请日期
1988.01.29
申请人
SONY CORP
发明人
MIMORI KOJI
分类号
G11B7/09;G11B7/08;G11B7/085;G11B7/095
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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