DIFF Subgroup
F02M 35/10 Air intakes; Induction systems
Introduced: September 1968
Full Title
Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines > Air intakes; Induction systems
CPC subdivides this area 9x more granularly than IPC with 8 additional codes.
8 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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