| 摘要 |
<p>Dormer window (1) having an upper wall (7), a front wall (5) and two side walls (6), the side walls (6) and possibly the front wall (5) as well being provided with gutters (10) at their upper edge area, which gutters extend alongside of it from the front to the rear and to the side, respectively, which in relation to the upper surface of the upper wall (7) have a lowered gutter bottom (9), the upper surface (7) being at fall to the gutter (10). <IMAGE></p> |
