Safety of machinery - Electro-sensitive protective equipment - Part 3: Particular requirements for active opto-electronic protective devices responsive to diffuse reflection (AOPDDR) (IEC 61496-3:2025); German version EN IEC 61496-3:2025

IEC 62153-1-2: Metallic communication cable test methods - Part 1-2: Reflection measurement correction

Optics and photonics - Measurement of reflectance and transmittance - Part 2: Internal transmittance

Radio-frequency connectors - Part 23: Pin and socket connector for use with 3,5 mm rigid precision coaxial lines with inner diameter of outer conductor of 3,5 mm (0,137 8 in) (IEC 46F/693/CDV:2025); German and English version prEN IEC 61169-23:2025