000  $anz n  2
000  $a주제어
001  $aKSH2004042641
005  $a20041126010227
008  $a041126 n azknnaabn          |a a|a    | 
150  $a전해 가공업[電解加工業]
450  $wr$i영어$aECM service
450  $wr$i영어$aelectro chemical machining service
550  $wg$a기계 가공업[機械加工業]
550  $a전해 가공[電解加工]