TREA

Oy W/a/ rtsil/a/ Ab

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  • Helsinki, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roll construction
    • Patent number 4,470,183
    • Issue date Sep 11, 1984
    • Oy W/a/ rtsil/a/ Ab
    • Harri Kuosa
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE