CPC Subgroup
F02N 19/04 by heating of fluids used in engines
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
2 direct subcodes
Child Classifications
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- F02N 19/06 by heating of combustion-air by flame generating means, e.g. flame glow-plugs
- F02N 19/10 by heating of engine coolants