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Ohoka Forge Co Ltd.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Forged gear for a transmission
    • Patent number 4,938,089
    • Issue date Jul 3, 1990
    • Ohoka Forge Co Ltd.
    • Noboru Ohoka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...