EU Trademark Classification EU04 Industrial oils, greases and fuels Preservatives (masonry -) Class 04 Preservatives (masonry -) 8810 砌体防腐剂（油） Chinese 砌体防腐剂（油） English Preservatives (masonry -) [oils] Site ref. 8810 Class 04 Included in Harmonised Database (HDB) Name qualifier oils