Yongjun Shu

Person

  • Hangzhou, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Mailbox punching device

    • Patent number 10,272,589
    • Issue date Apr 30, 2019
    • Pujiang Qilu Environmental Protection Technology Co., Ltd.
    • Yongjun Shu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents