DIFF Subgroup
F02M 33/02 for collecting and returning condensed fuel
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Other apparatus for treating combustion-air, fuel or fuel-air mixture > for collecting and returning condensed fuel
CPC:
Other apparatus for treating combustion-air, fuel or fuel-air mixture (combustion-air cleaners F02M35/00; arrangements for purifying liquid fuel F02M37/22) > for collecting and returning condensed fuel
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
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