GB/T 20935.2-2018金属材料电磁超声检测方法第2部分:利用电磁超声换能器技术进行超声检测的方法国家标准
英文:Metal materials—Method of electromagnetic acoustic inspection—Part 2: Standard practice for ultrasonic testing using ...
英文:Metal materials—Method of electromagnetic acoustic inspection—Part 2: Standard practice for ultrasonic testing using ...