EU Trademark Classification EU11 Lighting, heating and air conditioning 管道旋塞[龙头]（30108） Class 11 Pipe line cocks [spigots] 30108 管道旋塞[龙头] Chinese 管道旋塞[龙头] English Pipe line cocks [spigots] Site ref. 30108 Class 11 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)