Health and safety in welding and allied processes - Requirements, testing and marking of equipment for air filtration - Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices (ISO 21904-3:2018); German version EN ISO 21904-3:2018— 27 стр.
Welding consumables - Covered electrodes for manual metal arc welding of high-strength steels - Classification (ISO 18275:2011); German version EN ISO 18275:2012— 40 стр.
Welding consumables - Covered electrodes for manual metal arc welding of high-strength steels - Classification (ISO 18275:2018); German version EN ISO 18275:2018— 41 стр.