Home / Standards / GB/T 44991-2025 GB/T 44991-2025 Active Railway applications—Testing of rolling stock on completion of construction and before entry into service 轨道交通 机车车辆制成后投入使用前的试验方法 Standard Type GBT ICS 45.060 CCS S40 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 国家铁路局 Drafting Unit N/A