YU-YEN CHANG

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  • Kunshan City, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    MOULD ASSEMBLY WITH A HEATING DEVICE

    • Publication number 20130099089
    • Publication date Apr 25, 2013
    • Kunshan Yurong Electronics Co., Ltd.
    • YU-YEN CHANG
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL