CPC Subgroup
F02M 21/02 for gaseous fuels
Full Title
Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form > for gaseous fuels
4 direct subcodes
Child Classifications
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- F02M 21/04 Gas-air mixing apparatus
- F02M 21/06 Apparatus for de-liquefying, e.g. by heating