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Carbon dioxide manifold
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Patent number 7,766,309
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Issue date Aug 3, 2010
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John R. Smythe
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Pressure activated shutoff valve
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Patent number 7,273,069
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Issue date Sep 25, 2007
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Burt Nelson
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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2185796
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Patent number 2,185,796
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Issue date Jan 2, 1940
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2062589
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Patent number 2,062,589
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Issue date Dec 1, 1936
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS