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3279389
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Patent number 3,279,389
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Issue date Oct 18, 1966
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3131604
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Patent number 3,131,604
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Issue date May 5, 1964
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2297707
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Patent number 2,297,707
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Issue date Oct 6, 1942
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1785736
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Patent number 1,785,736
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Issue date Dec 23, 1930
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES