00000nz  a2200000n  4500
001  KSH2004033916
005  20040827110409
008  040827 n azknn|abn          |a a|a    | 
150  ▼a환경 여과기[環境濾過器]▲
450  ▼a환경 필터[環境--]▲
450  ▼wr▼i영어▼aenvironmental filter▲
550  ▼wg▼a여과 장치[濾過裝置]▲