| 摘要 |
<p>PCT No. PCT/AU84/00119 Sec. 371 Date Feb. 28, 1985 Sec. 102(e) Date Feb. 28, 1985 PCT Filed Jun. 29, 1984 PCT Pub. No. WO85/00400 PCT Pub. Date Jan. 31, 1985.A safe security system which includes a key operated time delay lock (10) and a separate key switch (9) thereby requiring two individual keys for the opening of the safe, a dye marking device (20) within the safe, a door switch (23), and an electrical interlock circuit operating to activate the marking device if the door switch is operated before the key switch, or if a predetermined sequence of operation of the key switch and time lock is not followed.</p> |
