00000nz a2200000n 4500 001 KSH2006006216 005 20060628071440 008 060509 n azknn|abn |a a|a | 150 ▼a실효 보호 관세[實效保護關稅]▲ 450 ▼wr▼i영어▼aeffective tariff rate▲ 550 ▼wg▼a관세[關稅]▲ 550 ▼a실효 보호[實效保護]▲