00000nz  a2200000n  4500
001  KSH2001013864
005  20021127000000
008  010825 n azknn|abn          |a a|a    | 
150  ▼a빈브리지 발진 회로[--發振回路]▲
450  ▼wr▼i영어▼aWien's bridge oscillator▲
550  ▼wg▼a발진 회로[發振回路]▲