EU Trademark Classification EU11 Lighting, heating and air conditioning 发光按钮（29696） Class 11 Illuminated push-buttons 29696 发光按钮 Chinese 发光按钮 English Illuminated push-buttons Site ref. 29696 Class 11 Included in Harmonised Database (HDB), Nice Alphabetical List, WIPO Madrid Goods and Services (MGS)