EU Trademark Classification EU11 Lighting, heating and air conditioning 气体放电灯用灯泡（29909） Class 11 气体放电灯用灯泡 29909 Chinese 气体放电灯用灯泡 English Light bulbs for gas-discharge lamps Site ref. 29909 Class 11 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)