Services For The Implementation Of Technical Supervision Of The Object: "Overhaul Of Ei30 Class Fire Doors In The Amount Of 2 Pieces In The Building Of The Chernivtsi Gymnasium No. 19 Of The Chernivtsi City Council At The Address: 58025, Chernivtsi, St. I. Pidkovy, 9 And St. Uchitelska, 12