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Riguang Cheng

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  • Tu-Cheng City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Soldering apparatus and soldering method
    • Patent number 7,845,541
    • Issue date Dec 7, 2010
    • Cheng Uei Precision Industry Co., Ltd.
    • Lu Yang Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Vertical Molding Machine
    • Publication number 20110038977
    • Publication date Feb 17, 2011
    • Yong Zheng
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL