GUOQIANG WU

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  • NANTONG, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Switch contact element and its preparation method

    • Patent number 10,026,565
    • Issue date Jul 17, 2018
    • NANTONG MEMTECH TECHNOLOGY CO., LTD.
    • Huisheng Han
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents