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发明名称
OPTICAL DISK SIGNAL REPRODUCING SYSTEM
摘要
申请公布号
JPS648513(A)
申请公布日期
1989.01.12
申请号
JP19870162313
申请日期
1987.07.01
申请人
HITACHI LTD
发明人
SAITO ATSUSHI;MAEDA TAKESHI
分类号
G11B7/00;G11B7/005
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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