00000nz  a2200000n  4500
001  KSH2002013693
005  20021019000000
008  020608 n azknn|abn          |a a|a    | 
150  ▼a음장 교정[音場較正]▲
450  ▼wr▼i영어▼afield calibration▲
550  ▼a마이크로폰[microphone]▲
550  ▼a음장 감도[音場感度]▲
550  ▼a음장[音場]▲