BS EN 12543-2:2008 Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Pinhole camera radiographic method
2021BS EN 12543-2:2021 Non-destructive testing. Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing. Pinhole camera radiographic method
2008BS EN 12543-2:2008 Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Pinhole camera radiographic method
1999BS EN 12543-2:1999 Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Pinhole camera radiographic method