TREA

Kazuaki Okajima

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  • Kyoto, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a bevel gear shaft
    • Patent number 5,867,901
    • Issue date Feb 9, 1999
    • Nichidai Corporation
    • Katsunori Noda
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...