中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23901.5-2019
Non-destructive testing—Image quality of radiographs—Part 5: Determination of the image unsharpness and basic spatial resolution value using duplex wire-type image quality indicators 无损检测 射线照相检测图像质量 第5部分:双丝型像质计图像不清晰度的测定
Issued Date:2019
Implemented Date:2020-1-1
Issued by:
The Standardization Administration of the People's Republic of China