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Cryogenic pump
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Patent number 5,575,626
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Issue date Nov 19, 1996
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Cryogenic Group, Inc.
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Bruce G. Brown
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Cryogenic pump
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Patent number 5,511,955
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Issue date Apr 30, 1996
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Cryogenic Group, Inc.
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Bruce G. Brown
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Cryogenic vane pump
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Patent number 5,242,285
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Issue date Sep 7, 1993
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ACD, Inc.
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Phillip J. Westermann
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES