00000nz  a2200000n  4500
001  KSH1998030176
005  20021015000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a유선 통신[有線通信]▲
450  ▼wr▼i영어▼awire communication▲
550  ▼wg▼a통신[通信]▲
550  ▼a무선 통신[無線通信]▲