EU Trademark Classification EU01 Chemicals Sensitized microfilms, unexposed Class 01 Sensitized microfilms, unexposed 4682 感光缩微胶卷（未曝光） Chinese 感光缩微胶卷（未曝光） English Sensitized microfilms, unexposed Site ref. 4682 Class 01 Included in Harmonised Database (HDB)