EU Trademark Classification EU01 Chemicals 实验室用气体（非医用）（3210） Class 01 Gases for laboratory use [other than for medical use] 3210 实验室用气体（非医用） Chinese 实验室用气体（非医用） English Gases for laboratory use [other than for medical use] Site ref. 3210 Class 01 Included in Harmonised Database (HDB)