| 摘要 |
<p>Bar pattern sheets having many parallel rows of bars, the bars in adjoining rows being mutually offset in the longitudinal direction, which sheets are used for production of a panel to be cut into a floor boards each containing b rows of bars. The pattern sheets comprise a x b rows of bars. The left end bars in each row being designated V1, V2, etc and the right end bars H1, H2 etc. The patterns on the left end bars and the right end bars with the same ordinal numbers for example V1 and H1 on at least one row of bars of each board match each other.</p> |
