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发明名称
MULTISTAGE MULTI-OPTICAL HEAD FOR OPTICAL DISK
摘要
申请公布号
JPH02236840(A)
申请公布日期
1990.09.19
申请号
JP19890056949
申请日期
1989.03.09
申请人
DIGITAL SUTORIIMU:KK
发明人
AOYANAGI TETSUJI
分类号
G11B11/10;G11B7/125;G11B7/14;G11B11/105
主分类号
G11B11/10
代理机构
代理人
主权项
地址
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