TREA

Masato Koseki

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of lining channels
    • Patent number 6,241,925
    • Issue date Jun 5, 2001
    • Tokyo Gas Co., Ltd.
    • Mitsutoshi Hayashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL