Korea Customs Service / Official 2026

292151

오르토-페닐렌디아민ㆍ메타-페닐렌디아민ㆍ파라-페닐렌디아민ㆍ디아미노톨루엔과 이들의 유도체, 이들의 염

o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives; salts thereof