Viatcheslav Dmitrievich Shapovalov

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Naro-Fominsk, Moskovskaya obl, 143300, RU

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Patents Grantslast 30 patents

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Method for processing sulfide minerals and concentrates
- Patent number 7,682,419
- Issue date Mar 23, 2010
- Viatcheslav Dmitrievich Shapovalov
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...