20th Specialized Exhibition of
Building Materials

OSM 2019

January 29 - February 1, 2019 MOSCOW | CEC “Expocentre”

Organizer
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Thematic sections

It should not, however, be forgotten that the further development of various forms of activity is an interesting experiment in testing new proposals. Thus, the beginning of the daily work on the formation of the position provides a wide range of (specialists) participation in the formation of mass participation systems. Comrades!