| 摘要 |
<p>The stairs have a self supporting head side (12) and a number of step treads (22, 22'), where a step riser (28) is arranged between the two consecutive step treads. The step treads and/or the step riser are designed as layer composite panels, which include two cover plates and an intermediate layer, which is arranged between the two cover plates. The step treads and/or step riser exhibits a thickness of 4 centimeters. An adhesive layer connects the two cover plates.</p> |
