ONORM S 5231-1993 Radiation protection dosemeters - Individual dosemeters and portable area monitors with ionization Chambers, countertubes or scintillators for y- and X-rays - Marking of conformity
1993ONORM S 5231-1993 Radiation protection dosemeters - Individual dosemeters and portable area monitors with ionization Chambers, countertubes or scintillators for y- and X-rays - Marking of conformity