Milan Drda

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Mlada Vozice, CZ

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Patents Grantslast 30 patents

Information Patent Grant
Method of sewage biological purification and an equipment for perfo...
- Patent number 6,387,266
- Issue date May 14, 2002
- Envi-Pur, s.r.o. (Ltd.)
- Milan Drda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE