Non-destructive testing - Image quality of radiographs - Part 4: Experimental evaluation of image quality values and image quality tables; German version EN 462-4:1994— 6 стр.
Non-destructive Testing; Image Quality of X-ray and Gamma-ray Radiographs of Metallic Materials; Directions for Formation of Image Quality Classes— 2 стр.
Technical delivery conditions for castings made from metallic materials; steel castings; classification into severity levels on the basis of non-destructive testing— 15 стр.
Non-destructive Testing; Image Quality of X-ray and Gamma-ray Radiographs of Metallic Materials; Directions for Formation of Image Quality Classes— 2 стр.
Non-destructive testing - Image quality of radiographs - Part 4: Experimental evaluation of image quality values and image quality tables; German version EN 462-4:1994— 6 стр.