EU Trademark Classification EU01 Chemicals Polyether polyols Class 01 Polyether polyols 4179 聚醚多元醇 Chinese 聚醚多元醇 English Polyether polyols Site ref. 4179 Class 01 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)