"Framework Agreement For Supply, Installation, Commissioning And Warranty Service Of Alternative Heating Devices For Domestic Heating, Incl. Steel Radiators, Under The Project "For Cleaner Air In The Municipality Of Pernik, By Replacing Solid Fuel Heating Devices With Ecological Alternatives" Financed Under Procedure No. Bg16Ffpr002-5.002...Continues In Additional Information (Bt-728-Procedure) (EXPIRED)