EU Trademark Classification EU01 Chemicals Seaweed extracts for use as a fertilizer Class 01 Seaweed extracts for use as a fertilizer 4647 用作肥料的海藻提取物 Chinese 用作肥料的海藻提取物 English Seaweed extracts for use as a fertilizer Site ref. 4647 Class 01 Included in Harmonised Database (HDB)