编码描述:,n-(1,3-dimethyl butyl)-n-phenyl-para-phenylene-diamine,n-phenyl-n-isopropyl para-phenylenediamine,o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives salts thereof 编码来源:韩国原始海关数据 产品标签: arts,thread,t plate,desks,machine,shirts,f head,e machine,ether,cotton