DIN EN ISO 19232-1:2013-12
无损检测射线照片的图像质量第1部分:使用线型图像质量指标测定图像质量值
Non-destructive testing - Image quality of radiographs - Part 1: Determination of the image quality value using wire-type image quality indicators (ISO 19232-1:2013); German version EN ISO 19232-1:2013