DIN EN ISO 4528-2015 釉瓷和搪瓷精饰 制件的釉瓷和搪瓷区域用试验方法的选择指导(ISO 4528-2015);德文版本EN ISO 4528-2015
Vitreous and porcelain enamel finishes - Guide to selection of test methods for vitreous and porcelain enamelled areas of articles (ISO 4528:2015); German version EN ISO 4528:2015