00000nz  a2200000n  4500
001  KSH2006005131
005  20060530011523
008  060530 n azknn|abn          |a a|a    | 
150  ▼a대칭 규제[對稱規制]▲
450  ▼wr▼i영어▼asymmetric regulation▲
550  ▼wg▼a규제[規制]▲
550  ▼a경쟁 정책[競爭政策]▲
550  ▼a비대칭 규제[非對稱規制]▲
550  ▼a자연 독점[自然獨占]▲