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Dripless coupling device
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Patent number 5,004,013
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Issue date Apr 2, 1991
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Great Plains Industries, Inc.
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Brook J. Beaston
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Coupling device
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Patent number 4,991,821
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Issue date Feb 12, 1991
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Great Plains Industries, Inc.
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Brook J. Beaston
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Coupling device
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Patent number 4,844,408
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Issue date Jul 4, 1989
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Great Plains Industries, Inc.
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Brook J. Beaston
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...