00000nz  a2200000n  4500
001  KSH1998042715
005  20021022000000
008  980625 n azknn|abn          |a a|a    | 
150  ▼a광응답성 고분자[光應答性高分子]▲
550  ▼wg▼a고분자[高分子]▲
550  ▼a광이성화[光異性化]▲