drill pipe of a kind used in
line pipe for oil and gas pip
equipment for scaffolding, sh
structures and parts of struc
reservoirs, tanks, casks, vat
pipe or tube fittings, nesoi,
tanks, casks, drums, cans, bo
casing for oil or gas drillin
casing and tubing of a kind u
containers for compressed or
pipes, tubes and hollow profi
towers and lattice masts of i
casing or tubing for oil or g
pipes, tubes and hollow profi
pipe or tube fittings, nesoi,
pipe or tube fittings, nesoi,
tubes, pipes and hollow profi
pipe or tube fittings, nesoi,
pipes, tubes and hollow profi
drill pipe of a kind used in
tubes, pipes and hollow profi
tubes, pipes and hollow profi
tubes, pipes and hollow profi
pipe or tube fittings, cast,
doors, windows and frames and
pipe or tube fittings, nesoi,
pipe or tube fittings, nesoi,
line pipe for oil or gas pipe
pipes and tubes nesoi, extern
tanks, drums, cans, and simil
casing or tubing for oil or g
tubes, pipes and hollow profi
tubes, pipes and hollow profi
line pipe for oil or gas pipe
pipe or tube fittings, nesoi,
pipes, tubes and hollow profi
pipe or tube fittings, cast,
cans, plain, unfitted, of a c
tubes, pipes and hollow profi
line pipe for oil and gas pip