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Hui LI

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  • Langfang, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    FIXING STRUCTURE OF ULTRAVIOLET LAMP TUBE OF AIR DISINFECTION MACHINE
    • Publication number 20240358882
    • Publication date Oct 31, 2024
    • SOTO Air Purification Technology (Langfang) Co., Ltd.
    • Zhonghao PIAO
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    AIR DISINFECTOR
    • Publication number 20240271821
    • Publication date Aug 15, 2024
    • SOTO Air Purification Technology (Langfang) Co., Ltd.
    • Zhonghao PIAO
    • F24 - HEATING RANGES VENTILATING