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F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
F01M13/00—Crankcase ventilating or breathing
F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
F01M13/023—Control valves in suction conduit
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FR657991D1927-09-101928-07-23Procédé et appareil de récupération de gaz inflammables pour moteurs à combustion interne
ExpiredFR657991A
(fr)