00000nz a2200000n 4500 001 KSH2000017037 005 20000314123847 008 000314 n azknn|abn |a a|a | 150 ▼a무역 촉진 정책[貿易促進政策]▲ 450 ▼wr▼i영어▼atrade promotion policy▲ 550 ▼a무역(거래)[貿易]▲