美利体育登录入口官网:DIN EN ISO 636:2016 焊接消耗品.非合金钢和细粒钢的钨惰性气体焊用焊条、焊丝和沉积物.分类(ISO 636-2015).德文版本EN ISO 636-2015
Welding consumables - Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels - Classification (ISO 636:2015); German version EN ISO 636:2015