NF P16-326-1*NF EN 1124-1:1999 Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems. Part 1 : requirements, testing, quality control.
1999NF P16-326-1*NF EN 1124-1:1999 Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems. Part 1 : requirements, testing, quality control.