Home / Standards / GB/T 26470 GB/T 26470 Active General Technical Specifications for Bridge Erecting Machines 架桥机通用技术条件 Standard Type GBT ICS 53.020.99 CCS J80 Status 现行 Issue Date 2025-09-23 Implementation 2025-12-01 Responsible Dept N/A Drafting Unit N/A