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DONGGUAN PENGTENG HARDWARE AND ELECTRONICS CO., LTD

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  • DONGGUAN CITY, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    Sleep Noise-proof Structure
    • Publication number 20240350318
    • Publication date Oct 24, 2024
    • Dongguan Pengteng Hardware and Electronics Co. Ltd
    • Guoqing Zhou
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE