R-1.01 HIBRIDNI IZOLATORI ZA DISTRIBUTIVNE NADZEMNE VODOVE HYBRID INSULATORS FOR OVERHEAD DISTRIBUTION LINES Vladimir Alempijević ; Dimitrije Anđelković R-1.02 Prenosivi merni komplet za ispitivanje VN prekidača A protable unit for testing HV switches Doža Đerđ R-1.03 CALCULATING MINIMUM CROSS-SECTIONAL AREA OF THE PARALLEL-EARTHING-CONDUCTOR FOR UNDERGROUND POWER CABLES IN TREFOIL FORMATION WITH METALLIC SCREENS BONDED AND […]