| 摘要 |
<p>A sign comprising a rear plate (2) having at least two printed messages (5, 6) and a front plate (3) arranged movably in front of the rear plate (2). The front plate (3) is arranged such that in its starting position it covers all the messages (5, 6) on the rear plate (2), and that, by movement, it may be caused to expose at least one of said messages (5, 6). <IMAGE></p> |
