2017DIN EN ISO 20274:2017-12 Vitreous and porcelain enamels - Preparation of samples and determination of thermal expansion coefficient (ISO 20274:2017); German version EN ISO 20274:2017
2017DIN EN ISO 20274:2017 Vitreous and porcelain enamels - Preparation of samples and determination of thermal expansion coefficient (ISO 20274:2017)
1970DIN EN ISO 20274 E:2016-08 Preparation of enamels and enamel samples and determination of coefficient of thermal expansion (draft)