GB/T 37400.14-2019重型机械通用技术条件第14部分:铸钢件无损探伤国家标准
英文:Heavy mechanical general technical specification—Part 14: Nondestructive test of steel castings GB/T 37400.14-2019介绍:...
英文:Heavy mechanical general technical specification—Part 14: Nondestructive test of steel castings GB/T 37400.14-2019介绍:...