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Tomiyo Nishimoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for lining pipe lines
    • Patent number 4,956,038
    • Issue date Sep 11, 1990
    • Tokyo Gas Kabushiki Kaisha
    • Akio Morinaga
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL