EU Trademark Classification EU01 Chemicals Potassium salts, other than for medical purposes Class 01 Potassium salts, other than for medical purposes 4229 钾盐（非医用） Chinese 钾盐（非医用） English Potassium salts, other than for medical purposes Site ref. 4229 Class 01 Included in Harmonised Database (HDB), TM5 ID List