EU Trademark Classification EU01 Chemicals 硝酸钡（1357） Class 01 Barium nitrate 1357 硝酸钡 Chinese 硝酸钡 English Barium nitrate Spanish nitrato de bario Site ref. 1357 Class 01 Included in Harmonised Database (HDB), TM5 ID List, WIPO Madrid Goods and Services (MGS)