TREA

Naotake Ritoh

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  • Minoo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Welding apparatus
    • Patent number 4,672,165
    • Issue date Jun 9, 1987
    • Kawasaki Steel Corporation
    • Kouichi Ishii
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutter for a welding apparatus
    • Patent number 4,616,545
    • Issue date Oct 14, 1986
    • Kawasaki Steel Corporation
    • Kazuo Katou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR