00000nz  a2200000n  4500
001  KSH2004028557
005  20040720211715
008  040720 n azknn|abn          |a a|a    | 
150  ▼a환점토[環粘土]▲
450  ▼wr▼i영어▼aball clay▲
550  ▼wg▼a점토[粘土]▲