DIN 54113-1:2005 Non-destructive testing - Radiation protection rules for the technical application of X-ray equipment up to 1 MV - Part 1: General technical safety requirements
2005DIN 54113-1:2005 Non-destructive testing - Radiation protection rules for the technical application of X-ray equipment up to 1 MV - Part 1: General technical safety requirements
1970DIN 54113-1:1992 Non-destructive testing - Radiation protection rules for the technical application of X-ray equipment up to 1 MV - Part 1: General technical safety requirements