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Heat exchanger and air conditioner
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Patent number 12,326,302
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Issue date Jun 10, 2025
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ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
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Guanjun Wang
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F28 - HEAT EXCHANGE IN GENERAL
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Combined heat exchanger
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Patent number 12,287,150
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Issue date Apr 29, 2025
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ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
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Guanjun Wang
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 12,140,378
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Issue date Nov 12, 2024
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ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
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Wenjian Wei
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 12,130,100
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Issue date Oct 29, 2024
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ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
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Wenjian Wei
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 11,802,733
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Issue date Oct 31, 2023
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ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
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Wenjian Wei
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F28 - HEAT EXCHANGE IN GENERAL