DIN EN 2002-21:2020-09 Aerospace series - Metallic materials - Test methods - Part 21: Radiographic testing of castings; German and English version EN 2002-21:2019
2020DIN EN 2002-21:2020-09 Aerospace series - Metallic materials - Test methods - Part 21: Radiographic testing of castings; German and English version EN 2002-21:2019
2020DIN EN 2002-21:2020 Aerospace series - Metallic materials - Test methods - Part 21: Radiographic testing of castings; German and English version EN 2002-21:2019