11/23/2016 The tariff classification of parts of a centrifuge system from China 8/14/1997 PRD 3304-96-100068; Adsorber Vessel, Pressure Swing Adsorption System, Hydrogen Gas Separation Equipment; Filtering or Purifying Machinery and Apparatus, Heading 8421; Container for Compressed and Liquified Gas, Heading 7311; Nidec Corporation v. U.S.,Section XVI, Note 2 3/19/2020 The country of origin of coated ceramic substrate. 1/21/2020 Application for Further Review of Protest 2604-13-100009; Tariff Classification of an Oil Separator and a Pneumatic Harness; North American Free Trade Agreement (“NAFTA”)