Home / Standards / GB/T 45680-2025 GB/T 45680-2025 Active Cranes—Wind load assessment 起重机 风载荷计算 Standard Type GBT ICS 53.020.20 CCS J 80 Status 现行 Issue Date 2025-05-30 Implementation 2025-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A