000  $anz n  2
000  $a주제어
001  $aKSH1998042592
005  $a20000810232525
008  $a980622 n azknnaabn          |a a|a    | 
150  $a광물용 굴절계[鑛物用屈折計]
550  $wg$a굴절계[屈折計]