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1.发明授权Door lock having disengaged outer lever handle when in the locked condition and means to bias the hadle toward horizontal position 失效当处于锁定状态时，门锁具有脱开的外杆手柄，并且将水平偏置到水平位置的装置
公开(公告)号：US4920773B1
公开(公告)日：1997-01-14
申请号：US15321588
申请日：1988-02-08
Applicant: YALE SECURITY INC
Inventor： SURKO WALTER E
CPC classification number: E05B55/06 , E05B55/005 , Y10T70/5416 , Y10T70/5496 , Y10T70/5832 , Y10T292/865
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