OENORM EN ISO 22232-1:2021 Non-destructive testing - Characterization and verification of ultrasonic test equipment - Part 1: Instruments (ISO 22232-1:2020)
OENORM EN 12668-1-2010-04OENORM EN ISO 22232-1:2018
OENORM EN ISO 22232-1:2021 history
2021OENORM EN ISO 22232-1:2021 Non-destructive testing - Characterization and verification of ultrasonic test equipment - Part 1: Instruments (ISO 22232-1:2020)