Home / Standards / DL/T 718-2014 DL/T 718-2014 Abolished 火力发电厂三通及弯头超声波检测 Standard Type DL ICS N/A CCS N/A Status Abolished Issue Date 2014-03-18 Implementation 2014-08-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局