| 摘要 |
<p>The ducting is essentially formed by an extruded profiled element (1) of H cross-section, the ends of the flanges of which are provided with means (2) for fixing by clicking in frontal covers (3) and interchangeable side covers (4) of changeable cross-section having any shape and cross-section, the core (5) of which is equipped on both its faces with longitudinal catches (6) for fixing or fastening elements to be separated, suspended or the like. Each flange is provided on the outside, level with the core (5) with longitudinal catches (7) for fixing or fastening elements to be separated or for fixing devices projecting over the sides of the ducting. <IMAGE></p> |
