000  $anz n  2
000  $a주제어
001  $aKSH2001000483
005  $a20021202000000
008  $a010107 n azknnaabn          |a a|a    | 
150  $a산화물 자석[酸化物磁石]
450  $wr$i영어$aoxide magnet
550  $wg$a자석[磁石]
550  $a산화물[酸化物]