March 31, 2018 curator EK-435, EK-436 Gubanov Sergei Mikolayovich was on duty according to the duty schedule of the curators of department of the oil, gas and ecology at the ONAFT hostels №7, 8th
March 31, 2018 curator EK-435, EK-436 Gubanov Sergei Mikolayovich was on duty according to the duty schedule of the curators of department of the oil, gas and ecology at the ONAFT hostels №7, 8th