Protection Techniques in Electrical Energy Systems Autor Helmut Ungrad et al. 19 iun 2019 Paperback Preț: 504.00 lei 592.94 lei 6-8 săpt. -15%
Schutztechnik in Elektroenergiesystemen: Grundlagen, Stand der Technik, Neuentwicklungen Autor Helmut Ungrad et al. 28 sep 2012 Paperback Preț: 966.08 lei 1178.14 lei 6-8 săpt. -18%