NF L10-034-4*NF EN 4050-4:2013 Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 4 : acceptance criteria
2013NF L10-034-4*NF EN 4050-4:2013 Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 4 : acceptance criteria