NEN EN ISO 11177 : 2016現行
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：Netherlands Standards
專家解讀視頻
Defines the requirements for product quality and product testing of enamelled valves and pressure pipe fittings for untreated and potable water supply.
EN ISO 11177 : 2016 - Identical
EN ISO 11177 : 2019 - Identical
ISO 11177 : 2016 - Identical
EN ISO 11177 : 2016 - Identical
EN ISO 11177 : 2019 - Identical
ISO 11177 : 2016 - Identical
