EU Trademark Classification EU19 Building materials 公开表演用便携式非金属阶梯台（40371） Class 19 公开表演用便携式非金属阶梯台 40371 Chinese 公开表演用便携式非金属阶梯台 English Portable non-metal risers for public performances Site ref. 40371 Class 19 Included in Harmonised Database (HDB)