Register carburettors with throttling valve movable transversally to air passage

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Multi-stage carburettors, Register-type carburettors, i.e. with slidable or rotatable throttling valves in which a plurality of fuel nozzles, other than only an idling nozzle and a main one, are sequentially exposed to air stream by throttling valve > Register carburettors with throttling valve movable transversally to air passage