NB/T 20312.3-2023 Rules for in-service inspection of nuclear island machinery and equipment in pressurized water reactor nuclear power plants Part 3: Pressure test (English Version)
2023NB/T 20312.1-2023 Rules for in-service inspection of nuclear island machinery and equipment in pressurized water reactor nuclear power plants Part 1: General requirements
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