00000nz  a2200000n  4500
001  KSH1998004174
005  20021011000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a열손실[熱損失]▲
450  ▼wr▼i영어▼aheat loss▲
550  ▼a가열[加熱]▲
550  ▼a난방 부하[煖房負荷]▲
550  ▼a냉각(차게하다)[冷却]▲
550  ▼a열(에너지)[熱]▲
550  ▼a열절연[熱絶緣]▲
550  ▼a열투과[熱透過]▲
550  ▼a열회수[熱回收]▲