Harmonized System

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Section XVI > Chapter 84 > Heading 8468

Explanatory notes

… for bringing two gases to the nozzle which has two outlets, either concentric or side by side; one of the gases …

Section V > Chapter 25

Section XIII > Chapter 69

Explanatory notes

… sintered alumina articles) the constituent material is used directly in powder form with the addition of a small amount …

Section VI > Chapter 38 > Heading 3825

Explanatory notes

… Ammoniacal gas liquors , produced as an aqueous portion settling out from the crude coal tar condensed from coal …