LST EN ISO 13919-1:2000 Welding - Electrons and laser beam welded joints - Guidance on quality levels for imperfections - Part 1: Steel (ISO 13919-1:1996)
2000LST EN ISO 13919-1:2000 Welding - Electrons and laser beam welded joints - Guidance on quality levels for imperfections - Part 1: Steel (ISO 13919-1:1996)