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发明名称
OPTICAL PICKUP DEVICE
摘要
申请公布号
JPH01263951(A)
申请公布日期
1989.10.20
申请号
JP19880090190
申请日期
1988.04.14
申请人
MITSUBISHI ELECTRIC CORP
发明人
IWATA KAZUO
分类号
G11B7/09
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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