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Youbing Zhang

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  • Ningbo, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pen
    • Patent number D570412
    • Issue date Jun 3, 2008
    • Beifa Group Co., Ltd.
    • Zhiming Qiu
    • D19 - Office supplies
  • Information Patent Grant

    Pen
    • Patent number D568936
    • Issue date May 13, 2008
    • Beifa Group Co., Ltd.
    • Zhiming Qiu
    • D19 - Office supplies
  • Information Patent Grant

    Pen
    • Patent number D568935
    • Issue date May 13, 2008
    • Beifa Group Co., Ltd.
    • Zhiming Qiu
    • D19 - Office supplies
  • Information Patent Grant

    Pen
    • Patent number D559909
    • Issue date Jan 15, 2008
    • Beifa Group Co., Ltd.
    • Zhiming Qiu
    • D19 - Office supplies