🇺🇸 United States

720293

Ferroniobium:

Details

Parent HS6
720293 Ferro-alloys; ferro-niobium

Related United States Codes

720293 Ferroniobium:
7202934000 Containing by weight less than 0.02 percent of phosphorus or sulfur or less than 0.4 percent of silicon
7202938000 Other