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Pig for a fluid conducting system
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Patent number 4,767,603
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Issue date Aug 30, 1988
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Halliburton Company
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Audis C. Byrd
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Continuous reactor design
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Patent number 4,661,321
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Issue date Apr 28, 1987
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Halliburton Company
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Audis C. Byrd
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Continuous reactor design
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Patent number 4,595,566
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Issue date Jun 17, 1986
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Halliburton Company
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Audis C. Byrd
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL