Home / Standards / GB/T 37400.17-2022 GB/T 37400.17-2022 Active Heavy mechanical general technical specification—Part 17:Repair welding for steel forging 重型机械通用技术条件 第17部分:锻钢件补焊 Standard Type GBT ICS 25.010 CCS J04 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 国家标准委 Drafting Unit N/A