Cornelis P. Venema

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JJ Delft, NL

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Patents Grantslast 30 patents

Information Patent Grant
Sludgeless oxidative biological purification process
- Patent number 4,490,258
- Issue date Dec 25, 1984
- Gist-Brocades N.V.
- Joseph J. Heijnen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE