Plastics pipework (thermoplastics materials), Specification for the installation of thermoplastics pipes and associated fittings for use in domestic hot and cold water services and heating systems— 20 стр.
Plastics pipework (thermoplastics materials), Specification for the installation of thermoplastic pipes and associated fittings for use in domestic hot and cold services and heating systems in buildings— 14 стр.
Plastics pipework (thermoplastics materials), Specification for the installation of thermoplastic pipes and associated fittings for use in domestic hot and cold services and heating systems in buildings— 14 стр.
