000  $anz n  2
000  $a주제어
001  $aKSH2004025297
005  $a20040814235101
008  $a040814 n azknnaabn          |a a|a    | 
150  $a강 낙하 단조품[鋼落下鍛造品]
450  $wr$i영어$asteel drop forging
550  $wg$a낙하 단조품[落下鍛造品]
550  $a강철[鋼鐵]