TREA

Johnny Yrjans

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  • Kungalv, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Papermaking process
    • Patent number 4,980,025
    • Issue date Dec 25, 1990
    • EKA Nobel AB
    • Kjell R. Andersson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE