TREA

Shigeyoshi Yokoyama

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  • Sakura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal pump
    • Patent number 4,708,585
    • Issue date Nov 24, 1987
    • Nihon Radiator Co., Ltd.
    • Tetsuo Fukazawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reversible centrifugal pump
    • Patent number 4,676,714
    • Issue date Jun 30, 1987
    • Nihon Radiator Co., Ltd.
    • Tetsuo Fukazawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...