EU Trademark Classification EU17 Rubber and plastics goods 绝缘用块状聚氨酯泡沫（37993） Class 17 绝缘用块状聚氨酯泡沫 37993 Chinese 绝缘用块状聚氨酯泡沫 English Polyurethane foam in blocks for insulating Site ref. 37993 Class 17 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)