2020DB31/T 72-2020 Configuration of Industrial Boiler Operation Detection and Control Device
2000DB31/T 72-1999 Equipment configuration for check-measure and control in industrial boiler function
1992DB31/ 72-1992 Configuration standards for steam boiler monitoring and control devices
DB31/ 72-1992 Configuration standards for steam boiler monitoring and control devices was changed to DB31/T 72-1999 Equipment configuration for check-measure and control in industrial boiler function.