| 摘要 |
<p>Thermoplastic profile for window frames having at least one partitioned hollow T-shaped projection at one end of a side wall, has the interior wall subdivided near the end on which latches are located on both sides of the stepped recess on the side walls, and is located near the central part of the latches, and the projection being longer than the projection on the opposite side. The smaller inner cavity has inwardly projecting lugs.</p> |
