EU Trademark Classification EU09 Scientific and electronic apparatus 实验室或科研用厌氧箱（19752） Class 09 实验室或科研用厌氧箱 19752 Chinese 实验室或科研用厌氧箱 English Anaerobic chambers for laboratory or scientific use Site ref. 19752 Class 09 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)