Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2015) German version EN ISO 28721-2:2015
釉瓷和搪瓷.工艺设备用搪玻璃设备.第2部分:耐化学侵蚀和热冲击的名称和规范(ISO 28721-2-2015)德文版EN ISO 28721-2-2015