Semivolos Elena

Head of the Operational and Technological Sector of the Main Water Treatment Plant, SUE «Vodokanal of St. Petersburg» 42 Kavalergardskaia St., 191015, Saint-Petersburg, Russian Federation, tel.: +7 (812) 372-59-14, e-mail: Semivolos_EN@This email address is being protected from spambots. You need JavaScript enabled to view it.

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