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Franz Hofmeister
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Rheine, DE
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last 30 patents
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Process for waste water purification employing the activated sludge...
Patent number
4,793,930
Issue date
Dec 27, 1988
Kernforschungsanlage Julich Gesellschaft mit beschrankter Haftung
Carl J. Soeder
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE