Lars Alsterhall

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Svanskog, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a board- or sheet-shaped material with a h...
- Patent number 4,872,952
- Issue date Oct 10, 1989
- Swanboard Masonite AB
- Lars Alsterhall
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE