000  $anz n  2
000  $a주제어
001  $aKSH2004034349
005  $a20040823220312
008  $a040823 n azknnaabn          |a a|a    | 
150  $a흡수 여과기[吸收濾過器]
450  $wr$i영어$aabsorption filter
550  $wg$a여과 장치[濾過裝置]