| 摘要 |
<p>The safety doors consist of a pair of shutters (5) hinged to the frame of a building (1) entry door (3), operated electrically, pneumatically or hydraulically and making contact when open with the side of a security vehicle (2) to provide a safe corridor for the transfer of funds and valuables. The shutters can be in the form of single or double hinged panels, armoured to resist attack and bulletproof, overlapping over the entry door in the closed position.</p> |
