EU Trademark Classification EU01 Chemicals 烟囱清洁剂（化学品）（2367） Class 01 烟囱清洁剂（化学品） 2367 Chinese 烟囱清洁剂（化学品） English Chimney cleaners (chemicals) Site ref. 2367 Class 01 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)