EU Trademark Classification EU17 Rubber and plastics goods 纤维素衍生物顺序膜（38277） Class 17 纤维素衍生物顺序膜 38277 Chinese 纤维素衍生物顺序膜 English Sequency membranes of cellulose derivatives Site ref. 38277 Class 17 Included in Harmonised Database (HDB), TM5 ID List