Hendrik A. De Villiers

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Paarl, ZA

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Patents Grantslast 30 patents

Information Patent Grant
Stabilization of water
- Patent number 5,993,737
- Issue date Nov 30, 1999
- Implico B.V.
- Grant S. Mackintosh
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE