| 摘要 |
<p>The spacer has two medium density fiberboard type wooden listels of thickness between 10 and 20 millimeters. The listels are stuck and riveted among them to obtain a single listel which has an L shaped section varnished in the inner part (E) and countersunk in the lower outer part (A). The part (A) is treated with gripping primer to which a plasterboard panel (C) is united by a mastic (B). The listels comprise a side (D) for the adherence to a wall.</p> |
