DIFF Subgroup
F02N 19/04 by heating of fluids used in engines
Introduced: January 2010
Full Title
Starting aids for combustion engines, not otherwise provided for > Aiding engine start by thermal means, e.g. using lighted wicks > by heating of fluids used in engines
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2010.
Child Classifications
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- F02N 19/06 by heating of combustion-air by flame generating means, e.g. flame glow-plugs since 2010 IPC+CPC Available in IPC and CPC