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Vent assembly
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Issue date May 28, 2024
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Elmac Technologies Limited
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Lewis Bingham
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A62 - LIFE-SAVING FIRE-FIGHTING
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Valve apparatus
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Patent number 11,802,626
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Issue date Oct 31, 2023
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Elmac Technologies Limited
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Daomin Hong
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flame arresters
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Patent number 11,724,138
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Issue date Aug 15, 2023
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Elmac Technologies Limited
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Daomin Hong
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A62 - LIFE-SAVING FIRE-FIGHTING
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Flame arresters
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Patent number 10,661,108
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Issue date May 26, 2020
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Elmac Technologies Limited
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Daomin Hong
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A62 - LIFE-SAVING FIRE-FIGHTING
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Flame arresters
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Patent number 10,143,869
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Issue date Dec 4, 2018
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Elmac Technologies Limited
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Daomin Hong
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A62 - LIFE-SAVING FIRE-FIGHTING