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Guided gate valve
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Patent number 5,836,569
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Issue date Nov 17, 1998
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Flowserve Management Company
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David A. Wurangian
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Guided gate valve
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Patent number 5,820,106
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Issue date Oct 13, 1998
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BW/IP International, Inc.
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David A. Wurangian
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Guided gate valve
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Patent number 5,704,594
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Issue date Jan 6, 1998
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BW/IP Internatinal, Inc.
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David A. Wurangian
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...