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3644098
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Patent number 3,644,098
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Issue date Feb 22, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3444098
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Patent number 3,444,098
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Issue date May 13, 1969
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3325256
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Patent number 3,325,256
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Issue date Jun 13, 1967
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3109715
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Patent number 3,109,715
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Issue date Nov 5, 1963
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3050375
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Patent number 3,050,375
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Issue date Aug 21, 1962
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3024593
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Patent number 3,024,593
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Issue date Mar 13, 1962
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2909415
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Patent number 2,909,415
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Issue date Oct 20, 1959
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES