Water meters for cold potable water and hot water - Part 1: Metrological and technical requirements (ISO 4064-1:2014); German version EN ISO 4064-1:2014— 49 стр.
Water meters for cold potable water and hot water - Part 4: Non-metrological requirements not covered in ISO 4064-1 (ISO 4064-4:2014); German version EN ISO 4064-4:2014— 32 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.
Water meters for cold potable water and hot water - Part 4: Non-metrological requirements not covered in ISO 4064-1 (ISO 4064-4:2014); German version EN ISO 4064-4:2014— 32 стр.
Water meters for cold potable water and hot water - Part 1: Metrological and technical requirements (ISO 4064-1:2014); German version EN ISO 4064-1:2014— 49 стр.