EU Trademark Classification EU19 Building materials 施工用阻燃玻璃（39711） Class 19 施工用阻燃玻璃 39711 Chinese 施工用阻燃玻璃 English Fire retarding glass for use in construction Site ref. 39711 Class 19 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)