| 摘要 |
<p>New roof covering system consisting in using a tile (1-1') made of ceramic or similar material and presenting a rectangular surface (2) and provided at its major sides with two perpendicular vertical or oblique pronunciations (3 and 4) arranged in opposite directions, and aligning in a first step four tiles of which three are cut gradually in appropriate dimensions and emerging from the roof to a predetermined distance, the first tile (1') being positioned at the lower left corner of the roof (40).</p> |
