摘要 |
<p>589,175. Plywood. SOC. DES ETABLISSEMENTS CADOUX. March 17, 1942, No. 3536. Convention date, Oct. 30, 1941. [Class 145 (ii)] Plywood is formed by pressing together layers 1 of wood which has been impregnated with a polymerisable resin and layers 2 of natural wood.</p> |