Koji Beppu

Person

  • Kanagawa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerator oil composition(s)

    • Patent number 4,431,557
    • Issue date Feb 14, 1984
    • Mitsubishi Oil Company, Ltd.
    • Isao Shimizu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...