Bengt Hansen

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Helsingborg, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating sludge from wastewater treatment
- Patent number 6,217,768
- Issue date Apr 17, 2001
- Kemira Kemi AB
- Bengt Hansen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE