GOST R 50.05.04-2018 核能使用符合性評估系統. 測試形式的符合性評估. 統一程序. 奧氏體鋼焊接接頭超聲波探傷
Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of examination. Unified procedures. Ultrasonic examination of austenitic steel welded joints