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  • Incheon, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe joint device and method for manufacturing the same
    • Patent number 10,677,382
    • Issue date Jun 9, 2020
    • JOIN TOP. CO., LTD.
    • Jae-Min Ahn
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe coupling
    • Patent number 6,986,533
    • Issue date Jan 17, 2006
    • Join Top Co., Ltd.
    • Eounjin Ko
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe coupling
    • Patent number 6,893,051
    • Issue date May 17, 2005
    • Join Top Co., Ltd.
    • Chul Park
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

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