Home / Standards / NB/T 20173-2012 NB/T 20173-2012 Abolished 压水堆核电厂反应堆厂房环吊安装及试验技术规程 Standard Type NB ICS N/A CCS N/A Status Abolished Issue Date 2012-10-19 Implementation 2013-03-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局