00000nz  a2200000n  4500
001  KSH2000025441
005  20000417075245
008  000417 n azknn|abn          |a a|a    | 
150  ▼a고분자 구조[高分子構造]▲
550  ▼a고분자[高分子]▲
550  ▼a말단기 정량[末端基定量]▲