EU Trademark Classification EU03 Cosmetics and cleaning preparations 下水道和水槽疏通制剂（7163） Class 03 下水道和水槽疏通制剂 7163 Chinese 下水道和水槽疏通制剂 English Drain and sink unblocking preparations Site ref. 7163 Class 03 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)