美国海关关税编码 harmonized tariff schedule chapter 38.pdf,Harmonized Tariff Schedule of the United States (2016) Annotated for Statistical Reporting Purposes CHAPTER 38 MISCELLANEOUS CHEMICAL PRODUCTS VI 38-1 Notes 1. This chapter does not cover: (a) Se
美国海关关税编码 harmonized tariff schedule chapter 38.pdf,Harmonized Tariff Schedule of the United States (2016) Annotated for Statistical Reporting Purposes CHAPTER 38 MISCELLANEOUS CHEMICAL PRODUCTS VI 38-1 Notes 1. This chapter does not cover: (a) Se