EU Trademark Classification EU19 Building materials 建筑物用非金属透明门（40829） Class 19 Transparent doors (Non-metallic -) for buildings 40829 建筑物用非金属透明门 Chinese 建筑物用非金属透明门 English Transparent doors (Non-metallic -) for buildings Site ref. 40829 Class 19 Included in Harmonised Database (HDB)