Etiqueta de registo: 00286nx j2200109n 45
001 20309
003 http://id.bnportugal.gov.pt/aut/catbnp/20309
095 ## $aPTBN00014436
100 ## $a19901219apory0103 ba
152 ## $bSIPOR
250 ## $aConversores ressonantes$x<[>Teses]
550 ## $aConversores electrónicos$320310
675 ## $a621.314(043.2)$vBN$zpor
801 #0 $aPT$bBN$c19901219