Steel pipes; Elbows of metal for pipes; Junctions of metal for pipes; Pipework of metal; Reinforcing materials of metal for pipes; Penstock pipes of metal; Tubbing of metal; Sleeves [metal hardware]; Metal valves not being parts of machines; Water-pipe valves of metal.
Steel pipes; Elbows of metal for pipes; Junctions of metal for pipes; Pipework of metal; Reinforcing materials of metal for pipes; Penstock pipes of metal; Tubbing of metal; Sleeves [metal hardware]; Metal valves not being parts of machines; Water-pipe valves of metal.
Steel pipes; Elbows of metal for pipes; Junctions of metal for pipes; ...