00000nz a2200000n 4500 001 KSH1998032188 005 20021116000000 008 980429 n azknn|abn |a a|a | 150 ▼a박막 크로마토그래피[薄膜--]▲ 550 ▼wg▼a크로마토그래피[chromatography]▲