?NORM EN ISO 11177: 2019现行
Vitreous and porcelain enamels — Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply — Quality requirements and testing
出版：Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频
This document specifies the requirements for product quality and product testing of enamelled valves and pressure pipe fittings for untreated and potable water supply.
ISO 11177 : 2019 - Identical
EN ISO 11177 : 2019 - Identical
EN ISO 11177 : 2019 - Identical
ISO 11177 : 2019 - Identical
