Pipe fittings and joint assemblies for polybutene pressure pipes - Type PB 125 - Part 4: Dimensions of injection-moulded reducers for socket welding— 8 стр.
Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their special characteristics (ISO 1043-1:2001); German version EN ISO 1043-1:2002— 20 стр.
Codes of practice for drinking water installations - Part 200: Installation Type A (closed system) - Planning, components, apparatus, materials; DVGW code of practice— 51 стр.