EU Trademark Classification EU11 Lighting, heating and air conditioning 固定式火焰淬火燃烧器（29250） Class 11 固定式火焰淬火燃烧器 29250 Chinese 固定式火焰淬火燃烧器 English Fixed flame hardening burners Site ref. 29250 Class 11 Included in Harmonised Database (HDB)