DIFF Subgroup
F23N 5/10 using thermocouples
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Systems for controlling combustion > using devices responsive to thermal changes or to thermal expansion of a medium > using thermocouples
CPC:
Systems for controlling combustion (regulating fuel supply F23N1/00, regulating air supply or draught F23N3/00) > using devices responsive to thermal changes or to thermal expansion of a medium > using thermocouples
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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