00000nz  a2200000n  4500
001  KSH2004034319
005  20040821235019
008  040821 n azknn|abn          |a a|a    | 
150  ▼a통신용 광원 필터[通信用光源--]▲
450  ▼wr▼i영어▼atelecommunication optical filter▲
550  ▼wg▼a통신용 광증폭기[通信用光增幅器]▲