EU Trademark Classification EU11 Lighting, heating and air conditioning 固定式乙炔吸气燃烧器（29242） Class 11 固定式乙炔吸气燃烧器 29242 Chinese 固定式乙炔吸气燃烧器 English Fixed acetylene air suction burners Site ref. 29242 Class 11 Included in Harmonised Database (HDB)