NF C74-230/A1*NF EN 61676/A1:2009 Medical electrical equipment - Dosimetric instruments used for non-invasive measurement of X-ray tube voltage in diagnostic radiology
2009NF C74-230/A1*NF EN 61676/A1:2009 Medical electrical equipment - Dosimetric instruments used for non-invasive measurement of X-ray tube voltage in diagnostic radiology