Longfei Zhang

Person

  • Beijing, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    PERFORATED EASY OPENING POUCH

    • Publication number 20090238502
    • Publication date Sep 24, 2009
    • Gautam Bhattacharjee
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD