Korea Customs Service / Official 2026

029173

방향족 폴리카르복시산, 이들의 무수물(無水物)ㆍ할로겐화물ㆍ과산화물ㆍ과산화산, 이들의 유도체

Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives :