Home / Standards / GB/T 19510.202-2023 GB/T 19510.202-2023 Active Controlgear for electric light sources—Part 2-2:Particular requirements for d.c. or a.c. supplied electronic step-down convertors for filament lamps 光源控制装置 第2-2部分:钨丝灯用直流/交流电子降压转换器的特殊要求 Standard Type GBT ICS 29.140.99 CCS K74 Status 现行 Issue Date 2023-12-28 Implementation 2026-01-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A