Home / Standards / GB/T 14227-2024 GB/T 14227-2024 Active Acoustical requirement and measurement on station platform of urban rail transit 城市轨道交通车站站台声学要求和测量方法 Standard Type GBT ICS 13.140 CCS Q 84 Status 现行 Issue Date 2024-09-29 Implementation 2025-04-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A