EU Trademark Classification EU11 Lighting, heating and air conditioning 与气体燃料配用的加热装置（29665） Class 11 与气体燃料配用的加热装置 29665 Chinese 与气体燃料配用的加热装置 English Heating installations for use with gaseous fuels Site ref. 29665 Class 11 Included in Harmonised Database (HDB)