BS EN 1123-2+A1:2007 Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems - Dimensions
2007BS EN 1123-2:2006+A1:2007 Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems - Part 2: Dimensions
2007BS EN 1123-2:2006 Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems — Part 2: Dimensions