Dirk Jan Koot

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Haarlem, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for the aerobic biological purification of water
- Patent number 5,985,150
- Issue date Nov 16, 1999
- Biothane Systems International B.V.
- Abraham Izaak Versprille
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE