NF A09-231-2*NF EN 12543-2:2021 Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Part 2 : pinhole camera radiographic method
2021NF A09-231-2*NF EN 12543-2:2021 Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Part 2 : pinhole camera radiographic method