00000nz  a2200000n  4500
001  KSH2004040789
005  20041015112552
008  041015 n azknn|abn          |a a|a    | 
150  ▼a질소 이온[窒素--]▲
450  ▼wr▼i영어▼anitrogen ion▲
550  ▼wg▼a이온[ion]▲
550  ▼a질소[窒素]▲