Gilbert Blanchard

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Cesson Sevigne, FR

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Patents Grantslast 30 patents

Information Patent Grant
Aerobic biological nitrification using biomass granulates
- Patent number 5,228,997
- Issue date Jul 20, 1993
- Atochem
- Guy Martin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE