Data elements and interchange formats; information interchange; representation of dates and times (ISO 8601:1988 and its technical corrigendum 1:1991); german version EN 28601:1992— 14 стр.
Medical electrical equipment - Part 1: General requirements for safety; 3. collateral standard: General requirements for radiation protection in diagnostic X-ray equipment (IEC 60601-1-3:1994); German version EN 60601-1-3:1994— 31 стр.