TCVN 6149-3-2009 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids.Determination of the resistance to internal pressure.Part 3: Preparation of components
2009TCVN 6149-3-2009 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids.Determination of the resistance to internal pressure.Part 3: Preparation of components