00000nz  a2200000n  4500
001  KSH2002038883
005  20021225152030
008  021210 n azknn|abn          |a a|a    | 
150  ▼a도파[導波]▲
550  ▼a도파 광선[道破光線]▲
550  ▼a도파관[導波管]▲
550  ▼a도파기[導波器]▲