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Four-way plug valve
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Patent number 4,385,746
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Issue date May 31, 1983
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Daniel Industries, Inc.
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Jerry B. Tomlin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Four-way plug valve
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Patent number 4,286,625
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Issue date Sep 1, 1981
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Daniel Industries, Inc.
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Jerry B. Tomlin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lift-turn valve and actuator assembly
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Patent number 4,234,157
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Issue date Nov 18, 1980
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Daniel Valve Company
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Herbert H. Hodgeman
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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