Vesa Ketolainen

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Savonlinna, FI

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Patents Grantslast 30 patents

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Method and apparatus for cleaning a filter drum used for thickening...
- Patent number 5,897,788
- Issue date Apr 27, 1999
- Ahlstrom Machinery Oy
- Vesa Ketolainen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL