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Stem connection for gate valve
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Patent number 4,436,279
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Issue date Mar 13, 1984
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ACF Industries, Incorporated
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James V. Bonds
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Run-in and tie back apparatus
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Patent number 4,093,030
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Issue date Jun 6, 1978
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McEvoy Oilfield Equipment Company
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James Vaull Bonds
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E21 - EARTH DRILLING MINING
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Run-in and tie back apparatus
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Patent number 4,046,405
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Issue date Sep 6, 1977
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McEvoy Oilfield Equipment Co.
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James Vaull Bonds
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E21 - EARTH DRILLING MINING
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