| 摘要 |
<p>Extruded plastic decorative strips These have a central bridge section whose ends project outwards slightly opposite the inner sides of the edge beads and extend into a groove along the inwardly facing side of the adjacent auxiliary strip to a depth corresponding approx. with the thickness of the bridge section. They are fixed to base layers by high frequency welding, to form decorative panels, with the aid of auxiliary strips.</p> |
