HG/T 20655-1998 Technical specification of design condition for monitor and control of boiler and turbine system in chemical industry (English Version)
1970HG/T 20655-2016 Technical specifications for thermal monitoring and control design conditions of heating equipment and steam turbine units in chemical enterprises
1970HG/T 20655-1998 Technical specification of design condition for monitor and control of boiler and turbine system in chemical industry