00000nz  a2200000n  4500
001  KSH1998006337
005  20021011000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a감마선 차폐 유리[--線遮蔽琉璃]▲
450  ▼wr▼i영어▼agamma-ray shielding glass▲
550  ▼a감마선[--線]▲
550  ▼a유리(재료)[琉璃]▲