Korea Customs Service / Official 2026

2917

폴리카르복시산과 이들의 무수물(無水物)ㆍ할로겐화물ㆍ과산화물ㆍ과산화산, 이들의 할로겐화유도체ㆍ술폰화유도체ㆍ니트로화유도체ㆍ니트로소화유도체

Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated nitrated or nitrosated derivatives.