UNE-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 (ISO 11177:2019) (Endorsed by Asociación Espa?ola de Normalización in June of 2019.)
出版：Asociacion Espanola de Normalizacion
专家解读视频
EN ISO 11177 : 2019 - Identical
ISO 11177 : 2019 - Identical
ISO 11177:2019 - Identical
EN ISO 11177:2019 - Identical
ISO 11177 : 2019 - Identical
