EU Trademark Classification EU17 Rubber and plastics goods 建筑隔音材料（38323） Class 17 Soundproofing materials for buildings 38323 建筑隔音材料 Chinese 建筑隔音材料 English Soundproofing materials for buildings Site ref. 38323 Class 17 Included in Harmonised Database (HDB), TM5 ID List