GOST ISO 1167-4-2013 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids. Determination of the resistance to internal pressure. Part 4. Preparation of assemblies
2013GOST ISO 1167-4-2013 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids. Determination of the resistance to internal pressure. Part 4. Preparation of assemblies