摘要 |
<p>A covering structure comprising, in a generally symmetrical arrangement: a core layer (2) of bonded wood-based material having two opposed faces, two veneer layers (3) glued (4) to the opposed faces of the core layer (2), respectively, and two layers (5), impregnated with resin which can be hardened, and applied to the veneer layers (3), respectively. <IMAGE></p> |