Home / Standards / GB/T 23827-2021 GB/T 23827-2021 Active Road traffic sign plate and support 道路交通标志板及支撑件 Standard Type GBT ICS 93.080.30 CCS P66 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家标准委 Drafting Unit N/A