EU Trademark Classification EU09 Scientific and electronic apparatus 机械式室内恒温器（22991） Class 09 机械式室内恒温器 22991 Chinese 机械式室内恒温器 English Mechanical room thermostats Site ref. 22991 Class 09 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)