GIS/PL2-6:2018 Polyethylene pipes and fittings for natural gas and suitable manufactured gas, Part 6 - Spigot end fittings for electrofusion and/or butt fusion purposes
GIS/PL2-6:2018 Polyethylene pipes and fittings for natural gas and suitable manufactured gas, Part 6 - Spigot end fittings for electrofusion and/or butt fusion purposes