| 摘要 |
<p>PCT No. PCT/FR81/00007 Sec. 371 Date Sep. 25, 1981 Sec. 102(e) Date Sep. 25, 1981 PCT Filed Jan. 23, 1981 PCT Pub. No. WO81/02180 PCT Pub. Date Aug. 6, 1981.The invention relates to a protective device against aggression. The protective device against aggression is designed to close the free space situated above the tray of a counter or cash-desk rapidly from below upwards. The closing means comprise a tray movable upwards from a lowered position in which it is substantially horizontal to a raised vertical position blocking said space.</p> |
