DIN EN ISO 19232-4:2013 Non-destructive testing - Image quality of radiographs - Part 4: Experimental evaluation of image quality values and image quality tables (ISO 19232-4:2013); German version EN ISO 19232-4:2013 has been changed from DIN EN 462-4:1994 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.
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