中文名称:焊接消耗品.非合金和细晶粒钢的气体保护和无气体保护金属弧焊用管状芯焊条.分类(ISO 17632-2015).德文版本EN ISO 17632-2015 英文名称:Welding consumables - Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of non-alloy and fine grain steels - Classification (ISO...