Vera M. Smirnova

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Leningrad, SU

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Patents Grantslast 30 patents

Information Patent Grant
Plant for treatment of sediment of natural and waste waters
- Patent number 4,786,407
- Issue date Nov 22, 1988
- Vladlen M. Ljubarsky
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE