000  $anz n  2
000  $a주제어
001  $aKSH2004031918
005  $a20040827110615
008  $a040827 n azknnaabn          |a a|a    | 
150  $aHepa 여과기[--濾過器]
450  $aHepa 필터[Hepa filter]
450  $wr$i영어$aHepa filter
550  $wg$a여과 장치[濾過裝置]