EU Trademark Classification EU04 Industrial oils, greases and fuels Preservatives (brickwork -) Class 04 Preservatives (brickwork -) 8861 砖砌体防腐剂（油） Chinese 砖砌体防腐剂（油） English Preservatives (brickwork -) [oils] Site ref. 8861 Class 04 Included in Harmonised Database (HDB) Name qualifier oils