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1.发明授权Timing circuit including three active devices and two networks for respectively controlling the de-energization times of two of the devices 失效定时电路包括三个有源器件和两个网络，用于分别控制两个器件的去电时间
公开(公告)号：US3388271A
公开(公告)日：1968-06-11
申请号：US41430064
申请日：1964-11-27
Applicant: BELL TELEPHONE LABOR INC
Inventor： ALEXANDER FEINER , WATSON DOUGLAS J
IPC: H03K3/284
CPC classification number: H03K3/284
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