NF EN ISO 2560
NF EN ISO 2560 (Welding consumables - Covered electrodes for manual metal arc welding of non-alloy and fine grain steels - Classification)· AFNOR NF (Франция) · 96 материалов
NF EN ISO 2560 (Welding consumables - Covered electrodes for manual metal arc welding of non-alloy and fine grain steels - Classification)· AFNOR NF (Франция) · 96 материалов