Home / Standards / NB/T 20278-2014 NB/T 20278-2014 Abolished 压水堆核电厂应急给水系统设计准则 Standard Type NB ICS N/A CCS N/A Status Abolished Issue Date 2014-06-29 Implementation 2014-11-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局