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
1970DIN EN ISO 16826 E:2013-08 Non-destructive testing Ultrasonic detection of discontinuities perpendicular to the surface (draft)