EU Trademark Classification EU02 Paints and varnishes Preservatives (concrete -) Class 02 Preservatives (concrete -) 6231 混凝土防腐剂（油漆） Chinese 混凝土防腐剂（油漆） English Preservatives (concrete -) [paints] Site ref. 6231 Class 02 Included in Harmonised Database (HDB) Name qualifier paints