8109 Zirconium and Articles Thereof, N.e.s., Zirconium Waste and Scrap (Excl. ash and Residues Containing Zirconium)

8109 (01/1988-..) Zirconium and Articles Thereof, N.e.s., Zirconium Waste and Scrap (Excl. ash and Residues Containing Zirconium) 81091010 (01/1988-12/2001) Unwrought Zirconium, Powders of Zirconium 81091090 (01/1988-12/2001) Zirconium Waste and Scrap (Excl. ash and Residues Containing Zirconium) 81092000 (01/2002-..) Unwrought Zirconium, Zirconium Powders 81093000 (01/2002-..) Zirconium Waste and Scrap (Excl. ash and Residues Containing Zirconium) 81099000 (01/1988-..) Articles of Zirconium, N.e.s.