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1366713
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Patent number 1,366,713
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Issue date Jan 25, 1921
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1356241
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Patent number 1,356,241
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Issue date Oct 19, 1920
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES