EU Trademark Classification EU11 Lighting, heating and air conditioning 均热炉（工业用）（30541） Class 11 Soaking pit furnaces [for industrial purposes] 30541 均热炉（工业用） Chinese 均热炉（工业用） English Soaking pit furnaces [for industrial purposes] Site ref. 30541 Class 11 Included in Harmonised Database (HDB)