Home / Standards / DL/T 1409-2015 DL/T 1409-2015 Abolished 发电厂用1000kV升压变压器技术规范 Standard Type DL ICS N/A CCS N/A Status Abolished Issue Date 2015-04-02 Implementation 2015-09-01 Centralized Committee 能源 Issuing Authority 能源