EU Trademark Classification EU01 Chemicals Polyesther triols Class 01 Polyesther triols 4172 聚酯三醇 Chinese 聚酯三醇 English Polyesther triols Site ref. 4172 Class 01 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)