EU Trademark Classification EU19 Building materials Sun louvres of glass for buildings Class 19 Sun louvres of glass for buildings 40736 建筑物用玻璃遮阳百叶 Chinese 建筑物用玻璃遮阳百叶 English Sun louvres of glass for buildings Site ref. 40736 Class 19 Included in Harmonised Database (HDB)