Stephan Geyer

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Allendorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Procedure and installation for conditioning and subsequent dewateri...
- Patent number 5,366,622
- Issue date Nov 22, 1994
- Passavant-Werke AG
- Stephan Geyer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE