000  $anz n  2
000  $a주제어
001  $aKSH1999017464
005  $a19990617155040
008  $a990617 n azknnaabn          |a a|a    | 
150  $a내식 합금[耐蝕合金]
450  $wr$i영어$acorrosion resistant alloy
550  $wg$a합금[合金]
550  $a내식(부식)[耐蝕]