EU Trademark Classification EU11 Lighting, heating and air conditioning 清洁气体用静电除尘器（29128） Class 11 清洁气体用静电除尘器 29128 Chinese 清洁气体用静电除尘器 English Electrostatic precipitators for cleaning gases Site ref. 29128 Class 11 Included in Harmonised Database (HDB)