发明授权
US3912279A Operating program control for a record playback device 失效
操作记录播放设备的程序控制

Operating program control for a record playback device
摘要:
A program control disc for a record changer for video discs or phonograph records, provided with at least one program control portion which can be disconnected from the control disc drive and stopped if certain portions of the overall operating program are to be suppressed.
信息查询
0/0