768 KB19611 plakat, 43 x 61 cmCOBISSID:228788736URN:URN:NBN:SI:img-WQ1S30CIsrhrslikeElektro-PionirReklamni plakatiElektro-Pionir| 64 zanimljiva elektrotehnička poskusa|IMAGEplakatipostersSlovenian National E-content AggregatorNational and University Library of Slovenia