GB/T 43905.1-2024

Laboratory method for sampling fume and gases in welding and allied processes— Part 1: Determination of fume emission rate during arc welding and collection of fume for analysis

焊接及相关工艺中烟尘和气体取样的实验室方法 第1部分：电弧焊中烟尘排放速率的测定和分析用烟尘的收集