00000nz  a2200000n  4500
001  KSH1998043894
005  20000321174726
008  980507 n azknn|abn          |a a|a    | 
150  ▼a루프[loop]▲
450  ▼wr▼i영어▼aloop▲
550  ▼wh▼a개방 루프[開放--]▲
550  ▼wh▼a폐쇄 루프[閉鎖--]▲