000  $anz n  2
000  $a주제어
001  $aKSH1998034807
005  $a20040703002042
008  $a980429 n azknnaabn          |a a|a    | 
150  $a스페이서[spacer]
450  $wr$i영어$aspacer
550  $wg$a와셔[washer]
550  $wg$a하드웨어(금속)[hardware]
550  $wh$a심(스페이서)[shim]
550  $a부싱[bushing]
550  $a좌철(죔쇠)
550  $a죔쇠