000  $anz n  2
000  $a주제어
001  $aKSH2004035896
005  $a20040827105411
008  $a040827 n azknnaabn          |a a|a    | 
150  $a필터 홀더[filter holder]
450  $wr$i영어$afilter holder
550  $a여과 장치[濾過裝置]