| 摘要 |
<p>Noise abatement shields (2) of light construction and of the kind which consists of spaced outer sides (14) extending upwards from a surface (12), where in the spaces between the outer sides there is provided a core (4) of sound-absorbing material, consisting of elements (6) of solid wood, which comprises an aired outer cladding having elements (14) consisting of spaced, edge-joined boards, and also where the rear sides of which are covered with sound-absorbing material. <IMAGE></p> |
