EU Trademark Classification EU11 Lighting, heating and air conditioning 恒温阀（供暖设施部件）（30865） Class 11 恒温阀（供暖设施部件） 30865 Chinese 恒温阀（供暖设施部件） English Valves (Thermostatic -) [parts of heating installations] Site ref. 30865 Class 11 Included in Harmonised Database (HDB)