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 4/26/1993 Eligibility of steel tanks for duty-free treatment under the Generalized System of Preferences; double substantial transformation; compressed or liquified gas. 7/19/2016 Request for classification of filled canisters for fire suppression systems References: L87876, C88319, E84679, 966961, I85498, H87858, N069857, N075780, H181677, N234016, N270590, N205394, N017188
