2018BS EN ISO 11699-2:2018 Non-destructive testing. Industrial radiographic films. Control of film processing by means of reference values
2013BS EN ISO 11699-2:2011 Non-destructive testing. Industrial radiographic films. Control of film processing by means of reference values
1997BS EN 584-2:1997 Non-destructive testing. Industrial radiographic film. Control of film processing by means of reference values
BS EN ISO 11699-2:2011 Non-destructive testing. Industrial radiographic films. Control of film processing by means of reference values has been changed from BS EN 584-2:1997 Non-destructive testing. Industrial radiographic film. Control of film processing by means of reference values.