| 摘要 |
FIELD: construction engineering. ^ SUBSTANCE: board contains a pattern, an upper layer or a compound layer with a substrate made of a synthetic material. The substrate at least on two opposite sides or edges has fittings that join two such boards with each other on these edges. The upper edges of the board on the edges within the upper layer or compound layer are interconnected. The upper edges are painted at a height of the lateral edge of the compound layer. ^ EFFECT: good imitation of dark and exotic species of wood. ^ 46 cl, 21 dwg |
