Hans E. K. Eriksson

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Sundsvall, SE

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Patents Grantslast 30 patents

Information Patent Grant
Dewatering press with perforated metal outer shell and resilient el...
- Patent number 4,861,433
- Issue date Aug 29, 1989
- Sunds Defibrator Aktiebolag
- Hans E. K. Eriksson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE