| 摘要 |
<p>The element consists of an angle profile (A, B), the first and second leg (A or B) of which each have a number of fitting ribs (1a, 2a, 3a or 1b, 2b, 3b) distributed in a grid-like manner, which are designed for making a housing in such a manner that fitting ribs (e.g. 3a) of the first leg (A) of the element (A, B) can be fitted into fitting ribs (e.g. 3b) of the second leg (B) of a further similar element. <IMAGE></p> |
