Bob Ryu

Person

  • Daejeon-city, KR

Patents Applicationslast 30 patents

  • Information Patent Application

    Resin composition for laser marking

    • Publication number 20050137296
    • Publication date Jun 23, 2005
    • Seung Cheol Ryoo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...