ONORM EN 715-1994 Thermoplastics piping systems. End-load bearing joints between small diameter pressure pipes and fittings. Test method for leaktightness under internal water pressure, including end thrust
1994ONORM EN 715-1994 Thermoplastics piping systems. End-load bearing joints between small diameter pressure pipes and fittings. Test method for leaktightness under internal water pressure, including end thrust