UNE-EN 3879:2023 Aerospace series - Metallic materials - Filler metal for welding - Technical specification (Endorsed by Asociación Española de Normalización in April of 2023.)
2023UNE-EN 3879:2023 Aerospace series - Metallic materials - Filler metal for welding - Technical specification (Endorsed by Asociación Española de Normalización in April of 2023.)