KS B ISO 19232-5-2021 无损检测射线照片的图像质量第5部分:用双线式图像质量指示器测定图像不清晰度和基本空间分辨率值
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