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发明名称
OPTICAL PICKUP DEVICE BY MIRROR TRACKING SYSTEM
摘要
申请公布号
JPH02260130(A)
申请公布日期
1990.10.22
申请号
JP19890079128
申请日期
1989.03.30
申请人
RICOH CO LTD
发明人
MAEDA IKUO
分类号
G11B7/08
主分类号
G11B7/08
代理机构
代理人
主权项
地址
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