EU Trademark Classification EU01 Chemicals Polyacetal resins Class 01 Polyacetal resins 4111 聚缩醛树脂 Chinese 聚缩醛树脂 English Polyacetal resins Site ref. 4111 Class 01 Included in Harmonised Database (HDB), Nice Alphabetical List, TM5 ID List, WIPO Madrid Goods and Services (MGS)