EU Trademark Classification EU40 Treatment of materials 木材防腐处理（非涂漆）（66451） Class 40 Preservative treatment of wood [other than painting] 66451 木材防腐处理（非涂漆） Chinese 木材防腐处理（非涂漆） English Preservative treatment of wood [other than painting] Site ref. 66451 Class 40 Included in Harmonised Database (HDB)