DIN EN ISO 20601:2019-04 Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array technology for thin-walled steel components (ISO 20601:2018); German version EN ISO 20601:2018
2019DIN EN ISO 20601:2019-04 Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array technology for thin-walled steel components (ISO 20601:2018); German version EN ISO 20601:2018
2019DIN EN ISO 20601:2019 Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array technology for thin-walled steel components (ISO 20601:2018)
2017DIN EN ISO 20601:2017 Non-destructive testing of welds - Ultrasonic testing - Use of automated phased array technology for steel components with small wall thickness (ISO/DIS 20601:2017); German and English version prEN ISO 20601:2017