EU Trademark Classification EU17 Rubber and plastics goods 建筑用隔音板（38312） Class 17 Sound proofing boards for use in building 38312 建筑用隔音板 Chinese 建筑用隔音板 English Sound proofing boards for use in building Site ref. 38312 Class 17 Included in Harmonised Database (HDB), TM5 ID List