EU Trademark Classification EU01 Chemicals 科学用实验室试剂（3454） Class 01 科学用实验室试剂 3454 Chinese 科学用实验室试剂 English Laboratory reagents for scientific use Site ref. 3454 Class 01 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)