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

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

Safety of machinery - Electro-sensitive protective equipment - Part 3: Particular requirements for active opto-electronic protective devices responsive to diffuse Reflection (AOPDDR) (IEC 44/1016/CDV:2023); German and English version prEN IEC 61496-3:2023

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 (0.1378 in)