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3896889
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Patent number 3,896,889
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Issue date Jul 29, 1975
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3896701
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Patent number 3,896,701
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Issue date Jul 29, 1975
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2921559
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Patent number 2,921,559
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Issue date Jan 19, 1960
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2787251
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Patent number 2,787,251
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Issue date Apr 2, 1957
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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2609791
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Patent number 2,609,791
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Issue date Sep 9, 1952
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2471142
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Patent number 2,471,142
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Issue date May 24, 1949
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES