DIN EN 2951:2019-08 Aerospace series - Metallic materials - Micrographic determination of content of non-metallic inclusions; German and English version EN 2951:2019
2019DIN EN 2951:2019-08 Aerospace series - Metallic materials - Micrographic determination of content of non-metallic inclusions; German and English version EN 2951:2019
2019DIN EN 2951:2019 Aerospace series - Metallic materials - Micrographic determination of content of non-metallic inclusions; German and English version EN 2951:2019