Chuanying Yu

Person

  • Changchun City, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    FRAME ASSEMBLY BASE FOR FRAME STRUCTURES

    • Publication number 20130236245
    • Publication date Sep 12, 2013
    • CHANGCHUN RAILWAY VEHICLES CO. LTD
    • Chuanying Yu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR