Home / Standards / NB/T 20238-2013 NB/T 20238-2013 Abolished 核电厂辐射监测系统安装技术规程 Standard Type NB ICS N/A CCS N/A Status Abolished Issue Date 2013-06-08 Implementation 2013-10-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局