| 摘要 |
Device comprising rectangular panels consisting, on the outside, of a thickness 1 of concrete and, on the inside, of a thickness 2 of expanded plastic material, assembled together, the panels being positioned in horizontal rows with sections placed between them for fixing the panels to the wall, which device is characterised in that the panels comprise a housing rib 6 on two of their adjacent edges, these ribs being formed within the thickness 2 of the expanded plastic material, in such a way that the side faces 61, 62 of these ribs are away from the two opposite faces of this thickness of plastic material, matching grooves 7 being provided in the two other edges of the panel. <IMAGE>
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