EU Trademark Classification EU06 Metal goods 由面板组成的金属吊顶系统（12504） Class 06 由面板组成的金属吊顶系统 12504 Chinese 由面板组成的金属吊顶系统 English Metal suspended ceiling systems comprising panels Site ref. 12504 Class 06 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)