DIN 25435-2
DIN 25435-2 In-service inspections for primary coolant circuit components of light water reactors - Part 2: Magnetic particle and penetrant testing
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2014
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2014