DIN EN ISO 3581-2016 焊料.不锈钢和耐热钢手工金属电弧焊药皮焊条.分类(ISO 3581-2016).德文版本EN ISO 3581-2016
Welding consumables - Covered electrodes for manual metal arc welding of stainless and heat-resisting steels - Classification (ISO 3581:2016); German version EN ISO 3581:2016