Home / Standards / GB/T 19123 GB/T 19123 Active Tri-wheel vehicles and low-speed goods vehicles—Photometric characteristics of turn signal lamps 三轮汽车和低速货车 转向信号灯配光性能 Standard Type GBT ICS 65.060 CCS T54 Status 现行 Issue Date 2015-05-15 Implementation 2015-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会