00000nz  a2200000n  4500
001  KSH1998034570
005  20021019000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a엽상 여과기[葉狀濾過器]▲
550  ▼wg▼a유체 여과기[流體濾過器]▲
550  ▼a압력 여과기[壓力濾過器]▲
550  ▼a진공 여과기[眞空濾過器]▲
550  ▼a회전 여과기[回轉濾過器]▲