Oy Polyrec AB

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Tammerfors, FI

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Patents Grantslast 30 patents

Information Patent Grant
System for controlling the flow pattern of a recovery boiler
- Patent number 7,069,866
- Issue date Jul 4, 2006
- Oy Polyrec AB
- Erik Uppstu
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Device for distribution of oxygen-containing gas in a furnace
- Patent number 5,724,895
- Issue date Mar 10, 1998
- Oy Polyrec AB
- Erik Uppstu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE