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Kenji Douzono

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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil free type screw compressor
    • Patent number 6,551,082
    • Issue date Apr 22, 2003
    • Hitachi, Ltd.
    • Kenji Douzono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL FREE TYPE SCREW COMPRESSOR
    • Publication number 20030059326
    • Publication date Mar 27, 2003
    • Kenji Douzono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...