EU Trademark Classification EU19 Building materials 非金属材料绝缘门（39902） Class 19 非金属材料绝缘门 39902 Chinese 非金属材料绝缘门 English Insulating doors of non-metallic materials Site ref. 39902 Class 19 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)