Home / Standards / GB/T 31051-2025 GB/T 31051-2025 Active Cranes—Anchoring devices for in-service and out-of-service conditions 起重机 工作和非工作状态下的锚定装置 Standard Type GBT ICS 53.020.20 CCS J80 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