Draft Document - Railway applications - Welding of railway vehicles and components - Part 2: Requirements for welding manufacturer; German and English version EN 15085-2:2020/prA1:2021
文件草案.铁路应用.铁路车辆和部件的焊接.第2部分:焊接制造商的要求;德语和英语版本EN 15085-2:2020/prA1:2021