GB/T 39429-2020无损检测导电材料热电势分选方法标准
英文:Non-destructive testing—Method for thermoelectric sorting of electrically conductive materials GB/T 39429-2020介绍: 国家标...
英文:Non-destructive testing—Method for thermoelectric sorting of electrically conductive materials GB/T 39429-2020介绍: 国家标...