Home / Standards / NB/T 20007.28-2014 NB/T 20007.28-2014 Active 压水堆核电厂用不锈钢 第28部分:3级耐海水腐蚀奥氏体-铁素体双相不锈钢承压铸件 Standard Type NB ICS N/A CCS N/A Status Active Issue Date 2014-10-15 Implementation 2015-03-01 Centralized Committee N/A Issuing Authority N/A