EJ/T 454-1989
三十万千瓦压水堆核电厂 一回路主、辅系统安全一级、二级、三级管道安装技术条件
300,000-kilowatt pressurized water reactor nuclear power plant primary circuit main and auxiliary system safety first-level, second-level and third-level piping installation technical conditions
EJT454-1989, EJ454-1989