DIN EN IEC 63356-2:2022-08 LED light source characteristics - Part 2: Design parameters and values (IEC 34A/2265/CDV:2021); German and English version prEN IEC 63356-2:2022 / Note: Date of issue 2022-07-29
2022DIN EN IEC 63356-2:2022-08 LED light source characteristics - Part 2: Design parameters and values (IEC 34A/2265/CDV:2021); German and English version prEN IEC 63356-2:2022 / Note: Date of issue 2022-07-29