标 准 编 号：DIN EN 1668-1997 简体中文标题：焊接助剂.合金钢和细晶粒钢的钨保护气体焊接用钢棒、钢丝和熔焊金属.分类 繁体中文标题：焊接助剂.合金钢和细晶粒钢的钨保护气体焊接用钢棒、钢丝和熔焊金属.分类 English Name：Welding consumables - Rods, wires and deposits for tungsten inert gas welding of non alloy and fine grain steels - Classification;...