BS EN 1124-1:1999(2006) Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems — Part 1 : Requirements, testing, quality control
1999BS EN 1124-1:1999 Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Requirements, testing, quality control