| 摘要 |
<p>The invention concerns a compact, self-supporting element consisting of varying layers having a strong mechanical resistance, as well as being watertight and thermetically and acoustically insulated. The element is especially, although not exclusively, suited to coverings, walls, partitions and other constituent parts of buildings. The invention also concerns the special way of obtaining panel materials and the possible different structures that can be made therefrom.</p> |
