BS EN ISO 11177. Vitreous and porcelain enamels. Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply. Quality requirements and testing— 14 стр.
Vitreous and porcelain enamels. Inside and outside enameled valves and pressure pipe fittings for untreated and potable water supply. Quality requirements and testing— 16 стр.
Vitreous and porcelain enamels - Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply - Quality requirements and testing (ISO 11177:2016)
Vitreous and porcelain enamels - Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply - Quality requirements and testing (ISO 11177:2019)
