000  $anz n  2
000  $a주제어
001  $aKSH1998003867
005  $a20021113090858
008  $a980429 n azknnaabn          |a a|a    | 
150  $a석탄 건류[石炭乾溜]
450  $wr$i영어$acarbonization of coal
550  $wg$a건류[乾溜]
550  $wh$a가스[gas]
550  $wh$a코크스[cokes]
550  $wh$a콜타르[coal tar]
550  $a석탄 건류 공업[石炭乾溜工業]