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发明名称
Focus error detection system for an optical recording/reproducing system
摘要
申请公布号
US5031167(A)
申请公布日期
1991.07.09
申请号
US19890356368
申请日期
1989.05.24
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
ISHIBASHI, HIROMICHI;TANAKA, SHINICHI;MATSUBARA, AKIRA;OKADA, TSUYOSHI
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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