POLES, SUPPORTS, FIR (WOOD), PRODUCTION, SOFTWOODS, PHYSICAL PROPERTIES OF MATERIALS, SIZE CLASSIFICATION, MARKING, DIMENSIONS
被代替标准
CAN/CSA-O15-90
适用范围
1. SCOPE 1.1 This Standard covers the physical properties and workmanship of Douglas
Fir (Pseudotsuga menziesii) and Western Larch (Larix accidentalis) poles and
reinforcing stubs.