EU Trademark Classification EU01 Chemicals 蚀刻珐琅的化学品（2063） Class 01 Chemicals for etching enamels 2063 蚀刻珐琅的化学品 Chinese 蚀刻珐琅的化学品 English Chemicals for etching enamels Site ref. 2063 Class 01 Included in Harmonised Database (HDB)