ICS 93.080.30CCS Q 84GB/T 20907—2024城市轨道交通自动售检票系统技术条件Technical specification for automatic fare collection system of urban rail transit2024⁃09⁃29 发布2025⁃04⁃01 实施国家市场监督管理总局国家标准化管理委员会发布代替GB/T 20907—2007目　　次前言············································...