HSPC

Steel pipes; valves of metal, other than parts of machines; junctions of metal for pipes; elbows of metal for pipes; water-pipes of metal; water-pipe valves of metal; penstock pipes of metal; sleeves, namely, metal expanding sleeves for affixing screws, metal junction sleeves for non-electric cables, cable junction sleeves of metal; casings of metal for oilwells; pipework of metal