GB/T 37400.15-2019重型机械通用技术条件第15部分:锻钢件无损探伤国家标准
英文:Heavy mechanical general technical specification—Part 15:Nondestructive test of steel forgings GB/T 37400.15-2019介绍: ...
英文:Heavy mechanical general technical specification—Part 15:Nondestructive test of steel forgings GB/T 37400.15-2019介绍: ...