| 摘要 |
<p>The device has an OMEGA shaped base profile (2) including two base surfaces (23, 24) forming respective returns of ends of lateral wings (21, 22) arranged opposite to a core (20). Longitudinal gutters (33, 34) are arranged on both sides of the wings of the profile and are arranged parallel to each other. The longitudinal gutters are arranged remote from the base surfaces of the profile for forming receiving spaces. The wings have an orifice (26) and another orifice that are formed opposite to the spaces, respectively.</p> |
