Home / Standards / GB/T 26494-2011 GB/T 26494-2011 Aluminum alloy extruded profiles for rail vehicle structures 轨道列车车辆结构用铝合金挤压型材 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A