NBN EN 804-1994 Plastics piping systems. Injection-moulded socket fittings for solvent-cemented joints for pressure piping. Test method for resistance to a short-term internal hydrostatic pressure
1994NBN EN 804-1994 Plastics piping systems. Injection-moulded socket fittings for solvent-cemented joints for pressure piping. Test method for resistance to a short-term internal hydrostatic pressure