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Priority to NL6511887ApriorityCriticalpatent/NL6511887A/xx
Publication of NL6511887ApublicationCriticalpatent/NL6511887A/xx
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
F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
F01N3/06—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for extinguishing sparks