Johan I. Johansson

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Bellevue, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotor/mixer for controlling mixing and refining of pulp material
- Patent number 4,614,304
- Issue date Sep 30, 1986
- Sunds Defibrator AB
- Rolf Reinhall
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE