00000nz  a2200000n  4500
001  KSH1998027355
005  20021214000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a수갱 개착▲
550  ▼wg▼a보링(굴착)[boring]▲
550  ▼a드릴(공구)[drill]▲
550  ▼a드릴링[drilling]▲