105682 | Pachet carti include:1.VDI 4650 – Part 1 – Calculation of the seasonal coefficient of performance of heat pumps – Electric heat pumps for space heating and domestic hot water2.VDI 4650 – Part 2 – Simplified method for the calculation of the annual heating energy ratio and the annual gas utilization | CPV 22110000-4 | Universitatea Tehnica de Constructii Bucuresti | Licitații Admin