搪瓷制品和瓷釉 未处理饮用水供应系统用内外表面搪瓷的阀门和压力管配件 要求和试验方法搪瓷制品和瓷釉 未处理饮用水供应系统用内外表面搪瓷的阀门和压力管配件 要求和试验方法Vitreous and porcelain enamels—Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply—Requirements and testing
Vitreous and porcelain enamels. Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply. Quality requirements and testing
釉瓷和搪瓷 未经处理和饮用水供应用内外搪瓷阀门和压力管道配件 质量要求和测试
2019-05-03
ISO 11177-2019
Vitreous and porcelain enamels — Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply — Quality requirements and testing
玻璃和瓷搪瓷 - 内外涂漆阀和压力管配件用于未处理和饮用水供应 - 质量要求和测试