EU Trademark Classification EU01 Chemicals 磷酸氢二钾（2668） Class 01 Dibasic potassium phosphate 2668 磷酸氢二钾 Chinese 磷酸氢二钾 English Dibasic potassium phosphate Site ref. 2668 Class 01 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)