00000nz  a2200000n  4500
001  KSH1998022605
005  20000320135427
008  980429 n azknn|abn          |a a|a    | 
150  ▼a시추공[試錐孔]▲
450  ▼wr▼i영어▼adrill holes▲
550  ▼a굴착공[掘鑿孔]▲
550  ▼a드릴링[drilling]▲
550  ▼a석유 탐사[石油探査]▲
550  ▼a시추(탐사)[試錐]▲
550  ▼a시추기[試錐機]▲