TREA

Kazutoshi Nishikawa

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  • Yanai, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fan having forward-curved blades
    • Patent number 4,165,950
    • Issue date Aug 28, 1979
    • Hitachi, Ltd.
    • Tadahisa Masai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...