TREA

Duk-Lak Lee

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  • Pohang, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dies for shear drawing
    • Patent number 8,516,868
    • Issue date Aug 27, 2013
    • Posco
    • Ki-Ho Rhee
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    DIES FOR SHEAR DRAWING
    • Publication number 20110247388
    • Publication date Oct 13, 2011
    • POSCO
    • Ki-Ho Rhee
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...