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Exhaust outlet with venturi
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Patent number 5,174,113
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Issue date Dec 29, 1992
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Devil, societe anonyme
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Paul Deville
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Exhaust outlet with cleaner
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Patent number 5,161,371
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Issue date Nov 10, 1992
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Devil, societe anonyme
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Paul Deville
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Modular silencer
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Patent number 5,020,631
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Issue date Jun 4, 1991
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Devil, societe anonyme
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Paul DeVille
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES