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发明名称
OPTICAL PICKUP DEVICE
摘要
申请公布号
JPH046634(A)
申请公布日期
1992.01.10
申请号
JP19900109624
申请日期
1990.04.24
申请人
MITSUBISHI ELECTRIC CORP
发明人
TAKAHASHI MITSUTAKA
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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