TREA

Katsuharu Imamaki

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  • Dalian, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum degassing apparatus for molten glass
    • Patent number 6,405,564
    • Issue date Jun 18, 2002
    • Asahi Glass Company Ltd.
    • Yusuke Takei
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Vacuum degassing apparatus for molten glass
    • Patent number 6,119,484
    • Issue date Sep 19, 2000
    • Asahi Glass Company Ltd.
    • Yusuke Takei
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...