EU Trademark Classification EU09 Scientific and electronic apparatus 实验室用蒸馏柱（21163） Class 09 Distillation columns for laboratory use 21163 实验室用蒸馏柱 Chinese 实验室用蒸馏柱 English Distillation columns for laboratory use Site ref. 21163 Class 09 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)