| 摘要 |
<p>A ventilating structure capable of assuredly obstructing a line of sight from the others while maintaining a permeability, characterized in that a plurality of sets of opposing outdoor side plate materials (3) and indoor side plate materials (5) are disposed vertically with spaces for ventilation between the sets, intermediate plate materials (7) are disposed between the indoor side plate materials (3) and the outdoor side plate materials (5), and a light beam incident from one space for ventilation is shielded by the indoor side plate materials or intermediate plate materials and cannot pass to the other space for ventilation.</p> |
