00000nz  a2200000n  4500
001  KSH1998015641
005  20000813171331
008  980429 n azknn|abn          |a a|a    | 
150  ▼a연삭성[硏削性]▲
450  ▼a분쇄 능력[粉碎能力]▲
450  ▼wr▼i영어▼agrindability▲
550  ▼a고운 가루▲
550  ▼a기계적 특성[機械的特性]▲
550  ▼a연삭[硏削]▲
550  ▼a피삭성▲