NF C74-194-1*NF EN 62494-1:2009 Medical electrical equipment - Exposure index of digital X-ray imaging systems - Part 1 : definition and requirements for general radiography
2009NF C74-194-1*NF EN 62494-1:2009 Medical electrical equipment - Exposure index of digital X-ray imaging systems - Part 1 : definition and requirements for general radiography