LI-CHAO JI

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  • Tianjin, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Rivet structure

    • Patent number 11,353,049
    • Issue date Jun 7, 2022
    • Fulian Precision Electronics (Tianjin) Co., LTD.
    • Chang-You Zhang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    RIVET STRUCTURE

    • Publication number 20200284281
    • Publication date Sep 10, 2020
    • HONGFUJIN PRECISION ELECTRONICS (TIANJIN) CO.,LTD.
    • CHANG-YOU ZHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...