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Ecology of Big City. 2018 Ecology of Big City is the largest convention and exhibition event in the end of environmental protection, nature conservation, as well as environmental protection equipment, technologies and services in the North-West. The forum is aimed at promotion and implementation of innovative environmental protection equipment and resource saving technologies in Russia, which contribute to the developme...
Exhibitions
via Calendar http://ift.tt/26ldIiY
March 3, 2018 at 12:25AM