TREA

Karl T. G. Dahlqvist

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  • Norrkoping, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Two-stage variable intensity refiner
    • Patent number 5,335,865
    • Issue date Aug 9, 1994
    • Andritz Sprout-Bauer, Inc.
    • Gregory R. Kohler
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE