| 摘要 |
<p>The signboard has a supporting blank (2) to take a contrast plate (3) which is structured with an alphanumeric or graphic design in at least one production stage. The supporting blank is of a plastics material (21), with a thickness of 0.3-2.0 mm, preferably of 0.5-0.9 mm and especially 0.7 mm. The plastics blank is attached to a metal plate (22), with a thickness of 0.3-0.7 mm and preferably 0.5 mm, using an adhesive film.</p> |
