Home / Standards / GB/T 45239-2025 GB/T 45239-2025 Active Evaluation methods of nocturnal blue light radiation hazards 夜间蓝光辐射危害的评价方法 Standard Type GBT ICS 31.260 CCS L51 Status 现行 Issue Date 2025-01-24 Implementation 2025-08-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A