EU Trademark Classification EU01 Chemicals Magnesium chloride for fireproofing materials Class 01 Magnesium chloride for fireproofing materials 3567 防火材料用氯化镁 Chinese 防火材料用氯化镁 English Magnesium chloride for fireproofing materials Site ref. 3567 Class 01 Included in Harmonised Database (HDB)