NF P16-326-4*NF EN 1124-4:2013 Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Part 4 : components for vacuum drainage systems and for drainage systems on ships
2013NF P16-326-4*NF EN 1124-4:2013 Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - Part 4 : components for vacuum drainage systems and for drainage systems on ships