Non-destructive testing - Characterization and verification of ultrasonic test equipment - Part 3: Combined equipment (ISO 22232-3:2020); German version EN ISO 22232-3:2020— 19 стр.
Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 3: Combined equipment; German version EN 12668-3:2013— 13 стр.
Non-destructive testing - Characterization and verification of ultrasonic test equipment - Part 3: Combined equipment (ISO/DIS 22232-3:2018); German and English version prEN ISO 22232-3:2018
Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 3: Combined equipment; German version EN 12668-3:2013— 13 стр.