9017.90.01.20

HS 编码 9017.90.01.20（第 90 章「光学、测量、医疗仪器」；品目 9017「绘图、划线、数学计算及手用长度测量仪器」；子目 901790「零件及附件」）在美国税则中对应"Of articles of subheading 9017.20.40"。美国海关对该编码商品征收最惠国税率 (MFN) The rate applicable to the article of which it is a part or accessory、第二栏税率 The rate applicable to the article of which it is a part or accessory。法定计量单位为kg。目前有 17 项自贸协定优惠税率可适用于该编码。