DIFF Subgroup
F23N 5/18 using detectors sensitive to rate of flow of air or fuel
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Systems for controlling combustion > using detectors sensitive to rate of flow of air or fuel
CPC:
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
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
Child Classifications
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