EU Trademark Classification EU01 Chemicals Silage additives Class 01 Silage additives 4715 青贮饲料添加剂[防腐剂] Chinese 青贮饲料添加剂[防腐剂] English Silage additives [preservatives] Site ref. 4715 Class 01 Included in Harmonised Database (HDB) Name qualifier preservatives