DIN EN ISO 16826:2014-06 Non-destructive testing - Ultrasonic testing - Examination for discontinuities perpendicular to the surface (ISO 16826:2012); German version EN ISO 16826:2014
2014DIN EN ISO 16826:2014-06 Non-destructive testing - Ultrasonic testing - Examination for discontinuities perpendicular to the surface (ISO 16826:2012); German version EN ISO 16826:2014
2014DIN EN ISO 16826:2014 Non-destructive testing - Ultrasonic testing - Examination for discontinuities perpendicular to the surface (ISO 16826:2012); German version EN ISO 16826:2014
2002DIN EN 583-4:2002 Non-destructive testing – Ultrasonic testing – Part 4: Testing for inhomogeneity perpendicular to the surface; German version EN 583-4:2002