Songyan Hu

Person

  • Hangzhou, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    Swing gate operator

    • Publication number 20110302841
    • Publication date Dec 15, 2011
    • Hangzhou Sanford Tools Co., Ltd.
    • Bingmao Ye
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES