00000nz a2200000n 4500 001 KSH2004034837 005 20040822234905 008 040822 n azknn|abn |a a|a | 150 ▼a집기 장치[集氣裝置]▲ 450 ▼wr▼i영어▼aair collector▲ 550 ▼wg▼a환기 장치[換氣裝置]▲