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Chang-Cheng CHEN

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  • Taipei City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing water repellent down
    • Patent number 9,732,464
    • Issue date Aug 15, 2017
    • Kwong Lung Enterprise Co., Ltd.
    • Chang-Cheng Chen
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents