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发明名称
Optical disc access control system that counts tracks using tracking control signal
摘要
申请公布号
US5023855(A)
申请公布日期
1991.06.11
申请号
US19880170352
申请日期
1988.03.18
申请人
SONY CORPORATION
发明人
KOBAYASHI, SEIJI;OHSATO, KIYOSHI
分类号
G11B7/085
主分类号
G11B7/085
代理机构
代理人
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