2016DL/T 496-2016 Guidelines for adjustment test of electro-hydraulic regulating system and devices of water turbine
2001DL/T 496-2001 Regulating and testing guide of electro-hydraulic regulating system and device for hydraulic turbine
1970DL 496-1992 Guidelines for adjustment test of electro-hydraulic regulating system and devices of water turbine
DL 496-1992 Guidelines for adjustment test of electro-hydraulic regulating system and devices of water turbine was changed to DL/T 496-2001 Regulating and testing guide of electro-hydraulic regulating system and device for hydraulic turbine.