| 摘要 |
<p>Ventilation device with a rectangular frame (2) of which each of the upright sides is formed by an end part, the bottom is formed by a glass holder (6) adapted to the thickness of a glass panel, and the top is formed by a profiled L-shaped strip (8) of which the horizontal leg (12) facing the room defines with an edge projecting from the upright leg (10) an accommodation space into which fits the horizontal leg of an inverted T-section (21) with off-centre upright leg.</p> |
