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Seal for pump having an internal gas pump
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Patent number 5,567,132
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Issue date Oct 22, 1996
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Endura Pumps International, Inc.
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Francis A. Dupuis
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Pump having an internal gas pump
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Patent number 5,308,229
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Issue date May 3, 1994
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PMC Liquiflo Equipment Company
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Francis A. DuPuis
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Pump having an internal pump
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Patent number 5,288,213
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Issue date Feb 22, 1994
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PMC Liquiflo Equipment Co., Inc.
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Ali M. Nasr
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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