EU Trademark Classification EU11 Lighting, heating and air conditioning 镜片处理用真空炉（30869） Class 11 Vacuum ovens for the treatment of lenses 30869 镜片处理用真空炉 Chinese 镜片处理用真空炉 English Vacuum ovens for the treatment of lenses Site ref. 30869 Class 11 Included in Harmonised Database (HDB)