00000nz  a2200000n  4500
001  KSH2000001958
005  20000107174056
008  000107 n azknn|abn          |a a|a    | 
150  ▼a등시선[等時線]▲
550  ▼a경도선[經度線]▲
550  ▼a등시[等時]▲
550  ▼a등시권[等時圈]▲