DIN EN ISO 20769-1:2018-12 Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 1: Tangential radiographic inspection (ISO 20769-1:2018); German version EN ISO 20769-1:2018
2018DIN EN ISO 20769-1:2018-12 Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 1: Tangential radiographic inspection (ISO 20769-1:2018); German version EN ISO 20769-1:2018
2018DIN EN ISO 20769-1:2018 Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 1: Tangential radiographic inspection (ISO 20769-1:2018); German version EN ISO 20769-1:2018
2014DIN EN 16407-1:2014 Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 1: Tangential radiographic inspection; German version EN 16407-1:2014