EU Trademark Classification EU09 Scientific and electronic apparatus Vacuum flasks for laboratory use Class 09 Vacuum flasks for laboratory use 25331 实验室用真空烧瓶 Chinese 实验室用真空烧瓶 English Vacuum flasks for laboratory use Site ref. 25331 Class 09 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)