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Groundwork perfect operation related to lot. No. 5/A Ghazvin-Rasht-Anzali railway
Groundwork operation of 2nd. Lot in Tehran-Hamedan-Sanandaj railway
Connection operation of Sabzevar to railway network of the country
Retreading operation related to lot. No. 1 Dargaz-Lotfabad (Tunnel variant related to Golkhandan)
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