UNE-EN 2951:2019 Aerospace series - Metallic materials - Micrographic determination of content of non-metallic inclusions (Endorsed by Asociación Española de Normalización in July of 2019.)
2019UNE-EN 2951:2019 Aerospace series - Metallic materials - Micrographic determination of content of non-metallic inclusions (Endorsed by Asociación Española de Normalización in July of 2019.)