00000nz  a2200000n  4500
001  KSH1998013670
005  20021018000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a곡률원[曲率圓]▲
450  ▼wr▼i영어▼acircle of curvature▲
550  ▼wg▼a원(기하학)[圓]▲
550  ▼a곡률 중심[曲率中心]▲
550  ▼a곡률[曲率]▲