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发明名称
OPTICAL PICK-UP DEVICE
摘要
申请公布号
JPH04245033(A)
申请公布日期
1992.09.01
申请号
JP19910031644
申请日期
1991.01.31
申请人
SONY CORP
发明人
ISHIDA TOMOYUKI
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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