| 摘要 |
The panel has a cellular core (1) which is strong in compression and covered by two skins (5, 8), at least one (5) of which, opposite the facing surface, consists of a porous layer (6) and of a porous reinforcement film (7), forming the external surface of the panel, made from tangled long fibres and joined to the layer of glass wool or rock wool. <IMAGE>
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