EU Trademark Classification EU01 Chemicals Chemical preparations for use as corrosion inhibitors Class 01 Chemical preparations for use as corrosion inhibitors 1946 用作腐蚀抑制剂的化学制剂 Chinese 用作腐蚀抑制剂的化学制剂 English Chemical preparations for use as corrosion inhibitors Site ref. 1946 Class 01 Included in Harmonised Database (HDB)