Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron (ISO/FDIS 28764:2015); German and English version FprEN ISO 28764:2015
Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron (ISO 28764:2008); German version EN ISO 28764:2011— 11 стр.