EU Trademark Classification EU02 Paints and varnishes Sealing liquids for wood Class 02 Sealing liquids for wood 6405 木材用密封液（防腐剂） Chinese 木材用密封液（防腐剂） English Sealing liquids [preservatives] for wood Site ref. 6405 Class 02 Included in Harmonised Database (HDB) Name qualifier preservatives