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.
Measurement of fiber optic elements - Part 10: Determination of illuminance and effective aperture angle of cold light sources; Text in German and English— 15 стр.