The standard rules the dose measuring procedure for radiation protection to patient and medical personal working in X-ray diagnostic stations. It also deals with the indicating of organ dose.
DIN 6809-3:1990 history
2012DIN 6809-3:2012-09 Clinical dosimetry - Part 3: Diagnostic radiology
2012DIN 6809-3:2012 Clinical dosimetry - Part 3: Diagnostic radiology