000  $anz n  2
000  $a주제어
001  $aKSH2004029443
005  $a20040821100116
008  $a040821 n azknnaabn          |a a|a    | 
150  $a광결합 분리기[光結合分離器]
450  $wr$i영어$aoptical coupled isolator
550  $a광결합기[光結合器]