Sub Headings of 8481

8481.10.00. Pressure-reducing valves
8481.20.00. Valves foroleohydraulic or pneumatic transmissions
8481.30.10. Of copper
8481.30.20. Of iron or steel
8481.30.90.00 Other
8481.40.00.00 Safety or relief valves
8481.80.10. Of copper
8481.80.30. Of iron or steel
8481.80.50. Ofother materials
8481.80.90. Other
8481.90.10.00 Of copper
8481.90.30.00 Of iron or steel
8481.90.50.00 Of other materials
8481.90.90. Other