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1.发明授权Magnetic recording and reproducing of cue signals,including pulse width discrimination for cue signal selection 失效磁信号记录和重现信号，包括用于信号选择的脉冲宽度辨别
公开(公告)号：US3509549A
公开(公告)日：1970-04-28
申请号：US3509549D
申请日：1966-08-30
Applicant: VICTOR COMPANY OF JAPAN
Inventor： OHTA YOSHIHIKO , INOUE YUZURU
CPC classification number: G05B19/16
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