2019DL 5190.2-2019 Construction Technical Specifications for Electric Power Construction Part 2: Boiler Units
2012DL 5190.2-2012 Technical specification for thermal power erection and construction.Part 2:boiler unit
1996DL/T 5047-1995 The Code of Erection and Acceptance of Electric Power Construction Section of Steam Boiler Set
DL/T 5047-1995 The Code of Erection and Acceptance of Electric Power Construction Section of Steam Boiler Set was changed to DL 5190.2-2012 Technical specification for thermal power erection and construction.Part 2:boiler unit .