A UN Number is a 4-digit number (e.g. UN 1993) assigned to a...
assigned to a dangerous good entry in the DGL by the United Nation Committee of Experts on the Transport of Dangerous Goods. UN Numbers are shown in Column 1 and 18 of the DGL 联合国数字是一个四位数字的数字 (即。 联合国1993) 在DGL分配了到一个危险好词条由联合国专家委员会在危险物品运输...