Zuozi Yu

Person

  • Weihai City, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    DRILL CHUCK

    • Publication number 20150209871
    • Publication date Jul 30, 2015
    • WEIHAI DAWANG HARDWARE PRODUCTS LIMITED
    • Yaoting Liu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR