Etiqueta de registo: 00250nx j2200097n 45
001 275805
003 http://id.bnportugal.gov.pt/aut/catbnp/275805
095 ## $aPTBN00240342
100 ## $a19980226apory0103 ba
152 ## $bSIPOR
250 ## $aSegurança social$yPortugal$z1974-1996
675 ## $a369(469)"1974/1996"$vBN$zpor
801 #0 $aPT$bBN$c19980226