Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 2 : Double Wall radiographic inspection; German version prEN 16407-2:2012
Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 2 : Double Wall radiographic inspection; German version EN 16407-2:2014— 40 стр.