00000nz  a2200000n  4500
001  KSH1998040744
005  20000620014811
008  980429 n azknn|abn          |a a|a    | 
150  ▼a제어 회로[制御回路]▲
450  ▼wr▼i영어▼acontrol circuit▲
550  ▼wg▼a회로[回路]▲
550  ▼a제어[制御]▲
550  ▼a하드웨어(컴퓨터)[hardware]▲