2016DL/T 443-2016 Guidelines for Ex-factory Inspection of Hydrogenerator Units and Their Auxiliary Equipment
1970DL 443-1991 General specification of hydraulic turbine generator units delivery inspection
DL 443-1991 General specification of hydraulic turbine generator units delivery inspection was changed to DL/T 443-2016 Guidelines for Ex-factory Inspection of Hydrogenerator Units and Their Auxiliary Equipment.