Zuoyi Wang

Person

  • Guangdong, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    PILOTED MIDDLE-HIGH PRESSURE GATE VALVE

    • Publication number 20110266471
    • Publication date Nov 3, 2011
    • Zuoyi Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...