EU Trademark Classification EU17 Rubber and plastics goods 吸噪结构（隔音）（38342） Class 17 Structures for noise absorption [soundproofing] 38342 吸噪结构（隔音） Chinese 吸噪结构（隔音） English Structures for noise absorption [soundproofing] Site ref. 38342 Class 17 Included in Harmonised Database (HDB)