Willi Frei

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St. Gallen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for kiln-drying malt
- Patent number 4,982,511
- Issue date Jan 8, 1991
- Air Frohlich Ag fur Energieruckgewinnung
- Willi Frei
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...