美利体育登录入口官网:DIN EN ISO 5167-1:2021-09
焊接耗材 - 不锈钢和耐热钢气体保护和非气体保护金属电弧焊用管状药芯焊条和焊条 - 分类(ISO 17633:2017 + Amd 1:2021)
Welding consumables - Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels - Classification (ISO 17633:2017 + Amd 1:2021); German version EN ISO 17633:2018 + A1:2021