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PCE
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CPC Main Group
F02B 31/00

Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10)

3 direct subcodes

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  • F02B 31/02 in engines having inlet valves arranged eccentrically to cylinder axis (F02B31/08 takes precedence)