TREA

Sachio Tomimatsu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Plunger pump
    • Patent number 5,129,790
    • Issue date Jul 14, 1992
    • Hitachi, Ltd.
    • Sadabumi Ohnuma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...