00000nz  a2200000n  4500
001  KSH2004036108
005  20040829234102
008  040829 n azknn|abn          |a a|a    | 
150  ▼a음향 시험실[音響試驗室]▲
450  ▼wr▼i영어▼aacoustic testing room▲
550  ▼wg▼a음향 관련 장비[音響關聯裝備]▲
550  ▼a음향[音響]▲