000  $anz n  2
000  $a주제어
001  $aKSH2005003170
005  $a20050215103231
008  $a050215 n azknnaabn          |a a|a    | 
150  $a카바마이드 페록사이드[carbamide peroxide]
450  $wr$i영어$acarbamide peroxide
550  $wg$a방부제[防腐劑]