Home / Standards / GB/T 21561.1-2025 GB/T 21561.1-2025 Upcoming Railway applications—Rolling stock—Pantographs characteristics and tests—Part 1:Pantographs for vehicles 轨道交通 机车车辆 受电弓特性和试验 第1部分:机车车辆受电弓 Standard Type GBT ICS 29.280 CCS S35 Status 即将实施 Issue Date 2025-12-31 Implementation 2026-07-01 Responsible Dept 国家铁路局 Drafting Unit N/A