CPC Subgroup
F02M 23/02 with personal control, or with secondary-air valve controlled by main combustion-air throttle
Full Title
Apparatus for adding secondary air to fuel-air mixture > with personal control, or with secondary-air valve controlled by main combustion-air throttle
2 direct subcodes
Child Classifications
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- F02M 23/03 the secondary air-valve controlled by main combustion-air throttle