EU Trademark Classification EU09 Scientific and electronic apparatus 矫正透镜（光学）（20847） Class 09 矫正透镜（光学） 20847 Chinese 矫正透镜（光学） English Correcting lenses [optics] Site ref. 20847 Class 09 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)