Ake R. ster

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Tumba, SE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for fermentation of organic material
- Patent number 4,698,310
- Issue date Oct 6, 1987
- Alfa-Laval AB
- Bert S. Wikholm
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE