00000nz a2200000n 4500 001 KSH1998041209 005 20021216000000 008 980429 n azknn|abn |a a|a | 150 ▼a특성값[特性--]▲ 450 ▼wr▼i영어▼acharacteristic root▲ 550 ▼a특성[特性]▲