000  $anz n  2
000  $a주제어
001  $aKSH2004030368
005  $a20040823094601
008  $a040823 n azknnaabn          |a a|a    | 
150  $a순환 히터[循環--]
450  $wr$i영어$acirculation heater
550  $wg$a난방 기기[煖房機器]