EU Trademark Classification EU11 Lighting, heating and air conditioning 浸没燃烧蒸发单元（30732） Class 11 Submerged combustion evaporation units 30732 浸没燃烧蒸发单元 Chinese 浸没燃烧蒸发单元 English Submerged combustion evaporation units Site ref. 30732 Class 11 Included in Harmonised Database (HDB)