Home / Standards / NB/Z 20256-2013 NB/Z 20256-2013 Active 核安全相关结构抗震设计规范 Standard Type NB ICS N/A CCS N/A Status Active Issue Date 2013-06-08 Implementation 2013-10-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局