GOST R 50.05.02-2022 核能利用領域合格評定制度 以控制的形式進行合格評定 統一方法 焊接接頭和熔敷表面的超聲波檢測
Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of testing. Unified procedures. Ultrasonic testing of welded joints and cladded surfaces