Home / Standards / GB/T 12454-2017 GB/T 12454-2017 Active Method of evaluating luminous environment 光环境评价方法 Standard Type GBT ICS 13.180 CCS A25 Status 现行 Issue Date 2017-07-12 Implementation 2018-02-01 Responsible Dept 国家标准委 Drafting Unit N/A