Home / Standards / GB/T 45377-2025 GB/T 45377-2025 Active Non-destructive testing—Long-range inspection of above-ground pipelines and plant piping using guided wave testing with axial propagation 无损检测 地面管线及厂区管道轴向长距离导波检测 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2025-03-28 Implementation 2025-03-28 Responsible Dept 国家标准委 Drafting Unit N/A