Home / Standards / DL/T 616-1997 DL/T 616-1997 Abolished 火力发电厂汽水管道与支吊架维修调整导则 Standard Type DL ICS N/A CCS N/A Status Abolished Issue Date 1997-08-04 Implementation 1997-12-01 Centralized Committee 电力工业部 Issuing Authority 电力工业部