EU Trademark Classification EU09 Scientific and electronic apparatus 棱镜（显微镜用）（23805） Class 09 Prisms [for microscopes] 23805 棱镜（显微镜用） Chinese 棱镜（显微镜用） English Prisms [for microscopes] Site ref. 23805 Class 09 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)