GOST R 50.05.02-2018 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. 焊接接頭和覆層表面的超聲波檢驗
Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of examination. Unified procedures. Ultrasonic examination of welded joints and cladded surfaces