Home / Standards / GB/T 42401-2023 GB/T 42401-2023 Active Laser cladding repairing—Quality levels for imperfections 激光熔覆修复 缺陷质量分级 Standard Type GBT ICS 25.220.01 CCS J39 Status 现行 Issue Date 2023-03-17 Implementation 2023-03-17 Responsible Dept 中国机械工业联合会 Drafting Unit N/A