Denes Kallo

Follow

Person

H-1027 Budapest, HU

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing an agricultural fertilizer from sewage
- Patent number 4,772,307
- Issue date Sep 20, 1988
- Jeno Kiss
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE