00000nz  a2200000n  4500
001  KSH1998031225
005  20000810003325
008  980429 n azknn|abn          |a a|a    | 
150  ▼a선량률[線量率]▲
450  ▼wr▼i영어▼adose rate▲
550  ▼a방사능 측정[放射能測定]▲
550  ▼a방사선량[放射線量]▲
550  ▼a허용량[許容量]▲