000  $anz n  2
000  $a주제어
001  $aKSH2004026991
005  $a20040804231544
008  $a040804 n azknnaabn          |a a|a    | 
150  $a기포 단열재[氣泡斷熱材]
450  $wr$i영어$afoam insulation
550  $wg$a단열 재료[斷熱材料]
550  $a기포[氣泡]