标 准 编 号：BS EN ISO 2560-2006 简体中文标题：焊料.非合金钢和细粒钢的手工金属电弧焊接的涂敷焊条.分类 繁体中文标题：焊料.非合金钢和细粒钢的手工金属电弧焊接的涂敷焊条.分类 English Name：Welding consumables - Covered electrodes for manual metal arc welding of non-alloy and fine grain steels - Classification ...