00000nz  a2200000n  4500
001  KSH1998031698
005  20000517201636
008  980429 n azknn|abn          |a a|a    | 
150  ▼a스위칭[switching]▲
450  ▼a스윗칭[switching]▲
450  ▼wr▼i영어▼aswitching▲
550  ▼wh▼a뱅크 스위칭[bank switching]▲
550  ▼a스위칭 언어[--言語]▲
550  ▼a회로[回路]▲