DIN EN 302-3:2023-05 承重木结构用粘合剂-试验方法-第3部分:测定温度和湿度循环对木纤维的酸损伤对横向拉伸强度的影响
Adhesives for load-bearing timber structures - Test methods - Part 3: Determination of the effect of acid damage to wood fibres by temperature and humidity cycling on the transverse tensile strength; German version EN 302-3:2023