This standard specifies the general terms and definitions of thermoplastic pipes, fittings and valves. This standard applies to thermoplastic pipes, fittings and valves.
GB/T 19278-2003 history
2018GB/T 19278-2018 General terms and their definitions of thermoplastic pipes, fittings and valves
2003GB/T 19278-2003 General terms and their definitions of thermoplastic pipes,fittings and valves