000 $anz n 2 000 $a주제어 001 $aKSH2004030806 005 $a20040815200032 008 $a040815 n azknnaabn |a a|a | 150 $a플랜지 부싱[flange bushing] 450 $wr$i영어$aflange bushing 550 $wg$a부싱[bushing]