TREA

Qing XIAO

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  • Shaoxing, Zhejiang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchanger
    • Patent number 12,130,100
    • Issue date Oct 29, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Wenjian Wei
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger
    • Patent number 11,802,733
    • Issue date Oct 31, 2023
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Wenjian Wei
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Heat Exchanger
    • Publication number 20220333877
    • Publication date Oct 20, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat Exchanger
    • Publication number 20220333865
    • Publication date Oct 20, 2022
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Wenjian WEI
    • F28 - HEAT EXCHANGE IN GENERAL