prEN ISO 18563-1:2021 Non-destructive testing - Characterization and verification of ultrasonic phased array equipment - Part 1: Instruments (ISO/DIS 18563-1:2021)
2021prEN ISO 18563-1:2021 Non-destructive testing - Characterization and verification of ultrasonic phased array equipment - Part 1: Instruments (ISO/DIS 18563-1:2021)