NF A09-022-3*NF EN ISO 18563-3:2016 Non-destructive testing - Characterization and verification of ultrasonic phased array equipment - Part 3 : combined system
2016NF A09-022-3*NF EN ISO 18563-3:2016 Non-destructive testing - Characterization and verification of ultrasonic phased array equipment - Part 3 : combined system