000  $anz n  2
000  $a주제어
001  $aKSH2004034805
005  $a20040828182133
008  $a040828 n azknnaabn          |a a|a    | 
150  $a일렉트로 뉴메틱 트랜스듀서[electro pneumatic transducer]
450  $wr$i영어$aelectro pneumatic transducer
550  $wg$a변환기[變換器]