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  • YONGIN, KR
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Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER MANUFACTURING APPARATUS WITH WELDING
    • Publication number 20090308539
    • Publication date Dec 17, 2009
    • INNSAN CO., LTD
    • Mu-Yeal Son
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL