00000nz a2200000n 4500 001 KSH2004040871 005 20041126011025 008 041126 n azknn|abn |a a|a | 150 ▼a드릴링업[--業]▲ 450 ▼wr▼i영어▼adrilling service▲ 550 ▼wg▼a기계 가공업[機械加工業]▲ 550 ▼a드릴링[drilling]▲