"Reconstruction Of The Housing Estate Heating Network Of High Parameters Made Of Pre -Insulated Pipes Of Single 2Xdn100 (2Xdz114.3/225 Mm), 2Xdn80 (2Xdn88.9/180 Mm), 2Xdn65 (2Xddz76.1/160 Mm) At Chopina Street In Szczecin"