Home / Standards / GB/T 37400.15-2019 GB/T 37400.15-2019 Active Heavy mechanical general technical specification—Part 15:Nondestructive test of steel forgings 重型机械通用技术条件 第15部分:锻钢件无损探伤 Standard Type GBT ICS 25.010 CCS J04 Status 现行 Issue Date 2019-05-10 Implementation 2019-12-01 Responsible Dept 国家标准委 Drafting Unit N/A