2014NB/T 20312-2014 Code on the in-service inspections of mechanical components of pressurized water reactor nuclear islands
1996EJ/T 1041-1996 Code on the in-service inspections of mechanical components of pressurized water reactor nuclear islands
1991EJ/T 606-1991 Ultrasonic In-Service Inspection of Reactor Pressure Vessel Welds in PWR Nuclear Power Plants
EJ/T 1041-1996 Code on the in-service inspections of mechanical components of pressurized water reactor nuclear islands was changed to NB/T 20312-2014 Code on the in-service inspections of mechanical components of pressurized water reactor nuclear islands.