UNE-EN IEC 63356-2:2022 LED light source characteristics - Part 2: Design parameters and values (Endorsed by Asociación Española de Normalización in January of 2023.)
2023UNE-EN IEC 63356-2:2022 LED light source characteristics - Part 2: Design parameters and values (Endorsed by Asociación Española de Normalización in January of 2023.)