00000nz  a2200000n  4500
001  KSH2002040794
005  20021226112243
008  021217 n azknn|abn          |a a|a    | 
150  ▼a셀레늄 전조[--轉造]▲
550  ▼wg▼a전조(소성가공)[轉造]▲
550  ▼a셀레늄[selenium]▲