000  $anz n  2
000  $a주제어
001  $aKSH1999014224
005  $a19990504094157
008  $a990415 n azknnaabn          |a a|a    | 
150  $a규산 칼슘 내화 피복재[硅酸--耐火被覆材]
450  $wr$i영어$acalcium silicate fireproofing material
550  $wg$a내화 재료[耐火材料]
550  $a규산 칼슘[硅酸--]