00000nz  a2200000n  4500
001  KSH1999016949
005  20000411111110
008  990311 n azknn|abn          |a a|a    | 
150  ▼a나트륨 칼륨 합금[--合金]▲
450  ▼a나크[Nak]▲
450  ▼wr▼i영어▼aNak▲
550  ▼wg▼a액체 금속[液體金屬]▲