with automatic control

Introduced: September 1968

Full Title

Apparatus for adding secondary air to fuel-air mixture > with automatic control

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

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F02M 23/06 dependent on engine speed +3 CPC IPC+CPC Available in IPC and CPC
F02M 23/08 dependent on pressure in main combustion-air induction system +1 CPC IPC+CPC Available in IPC and CPC
F02M 23/10 dependent on temperature, e.g. engine temperature IPC+CPC Available in IPC and CPC