Inst. Of The Modern System For Achieving Video Operation-disp. Vr. With The Aim Of Coord. The Management Of Trains For The Needs Of Operational Units - Dispatching And Control Centers In Sofia, Plovdi
Prior information notice without call for competition: Inst. of the modern system for achieving video operation-disp. vr. with the aim of coord. the management of trains for the needs of operational units - dispatching and control centers in Sofia, Plovdiv and Gorna Oryahovitsa Installation of a
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