| 摘要 |
<p>The steps have a horizontal step surface and a vertical front and rear outside surface. In side view the step has the shape of an inverted U with the two U-arms (7, 8) extending in the installed state of the step over the entire height (h) of the step. The two outside faces (3, 4) are formed as alternating visible surfaces with at least one having a projection (5, 6). the insides of the U arms in the installed state of the step run inclined upwards and inwards</p> |
