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F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
F01N13/00—Exhaust or silencing apparatus characterised by constructional features
F01N13/08—Other arrangements or adaptations of exhaust conduits
Procede et dispositif pour ameliorer les performances et le rendement d'un moteur a combustion interne, ainsi que pour reduire la pollution dont il est la source