Home / Standards / GB/T 47274-2026 GB/T 47274-2026 Upcoming Test methods for road test lanes and parking ramps of motor vehicle inspection agency 机动车检验机构路试车道和驻车坡道检测方法 Standard Type GBT ICS 43.180 CCS R 86 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 国家标准委 Drafting Unit N/A