Home / Standards / GB/T 21380-2008 GB/T 21380-2008 Active Nighttime photometric performance and test method of retroreflective pedestrian markings 行人反光标识夜间光度性能及测试方法 Standard Type GBT ICS 93.080.30 CCS R80 Status 现行 Issue Date 2008-02-13 Implementation 2008-08-01 Responsible Dept 国家标准委 Drafting Unit N/A