DIFF Subgroup
F23N 5/184 Full Title
Systems for controlling combustion (regulating fuel supply F23N1/00, regulating air supply or draught F23N3/00) > using detectors sensitive to rate of flow of air or fuel
F23N 5/184 Systems for controlling combustion (regulating fuel supply F23N1/00, regulating air supply or draught F23N3/00) > using detectors sensitive to rate of flow of air or fuel