DIN EN 15159-2-2006
釉瓷和搪瓷.加工厂的玻璃层设备.第2部分:耐化学反应腐蚀和热冲击得设计和规范
Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock; German version EN 15159-2:2006