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Heat exchanger unit
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Patent number 11,879,666
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Issue date Jan 23, 2024
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Kyungdong Navien Co., Ltd.
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Jun Kyu Park
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger unit
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Patent number 11,835,262
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Issue date Dec 5, 2023
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Kyungdong Navien Co., Ltd.
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Jun Kyu Park
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger unit
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Patent number 11,835,261
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Issue date Dec 5, 2023
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Kyungdong Navien Co., Ltd.
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Jun Kyu Park
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F28 - HEAT EXCHANGE IN GENERAL
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Smoke tube boiler
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Patent number 11,320,173
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Issue date May 3, 2022
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Kyungdong Navien Co., Ltd.
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Jun Kyu Park
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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