DIN EN ISO 28706-4 E:2015-07 Determination of chemical resistance of glazed porcelain and enamels Part 4: Determination of chemical resistance by alkaline liquids using cylindrical vessels (draft)
2016DIN EN ISO 28706-4:2016-07 Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel (ISO 28706-4:2016); German version EN ISO 28706-4:2016
2016DIN EN ISO 28706-4:2016 Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel (ISO 28706-4:2016); German version EN ISO 28706-4:2016
2011DIN EN ISO 28706-4:2011 Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel (ISO 28706-4:2008); German version EN ISO 28706-4:2011