标 准 编 号：DIN EN 440-1994 德文版简体中文标题：焊料.非合金钢和细粒钢金属气体保护电弧焊接用焊丝和溶敷金属.分类; 繁体中文标题：焊料.非合金钢和细粒钢金属气体保护电弧焊接用焊丝和溶敷金属.分类; English Name：Welding consumables - Wire electrodes and deposits for gas-shielded metal arc welding of non-alloy and fine grain steels - Classification;...