DIN ISO 24394:2021-05 Welding for aerospace applications - Qualification test for welders and welding operators - Fusion welding of metallic components (ISO 24394:2018, Corrected version 2020-11)
2021DIN ISO 24394:2021 Welding for aerospace applications - Qualification test for welders and welding operators - Fusion welding of metallic components (ISO 24394:2018, Corrected version 2020-11)
2020DIN ISO 24394:2020 Welding for aerospace applications - Qualification test for welders and welding operators - Fusion welding of metallic components (ISO 24394:2018)