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Data version: English terms are taken from the EUIPO Harmonised Database and arranged in the 45 Nice classes; this site lists 73,491 entries. Chinese terms were fully retranslated on 1 October 2026 and are J&C reference translations. The reference number is this site's own number, not an EUIPO term ID. The English entries have not yet been checked one by one against the current EUIPO data; for filings, please rely on the official EUIPO source (TMclass). Spanish coverage is being expanded: as of 13 October 2026, 6,894 reviewed Spanish names are available, from the WIPO Nice Classification and J&C reference translations; other entries are shown in English.

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Class Ref. No. Chinese English
01 1779 工业用化学增白剂 Chemical brighteners for industrial use
01 1780 用于吸收碳氢化合物的化学组合物 Chemical compositions for absorbing hydrocarbons
01 1781 用于制造人造树脂的化合物 Chemical compounds for the manufacture of artificial resins
01 1782 用于金属表面的化学增亮剂 Chemical brightening agents for use on metal surfaces
01 1783 砌体防水用化学组合物 Chemical compositions for waterproofing masonry
01 1784 用于焊接的化学元素 Chemical elements for use in welding
01 1785 用于去除水净化过程中固体的化合物 Chemical compounds for the removal of solids in water clarification
01 1786 用于甲醇合成装置运行的化学催化剂 Chemical catalysts for use in methanol synthesis plant operation
01 1787 混凝土调理用化学组合物 Chemical compositions for use in the conditioning of concrete
01 1788 化学乳化剂 Chemical emulsifiers
01 1789 用于过滤去除水中固体的化合物 Chemical compounds for use in removing solids from water in filtration
01 1790 用于合成气和烯烃净化的化学催化剂 Chemical catalysts for use in synthesis gas and olefin purification
01 1791 板岩密封用化学组合物 Chemical compositions for sealing slate
01 1792 化学增量剂 Chemical extenders
01 1793 用于制造粘合剂的化合物 Chemical compounds for use in the manufacture of adhesives
01 1794 化学烟囱清洁剂 Chemical chimney cleaners
01 1795 用于处理纺织品的化学组合物 Chemical compositions for treating textiles
01 1796 化肥 Chemical fertilizers
01 1797 用于切割的化合物 Chemical compounds for use in cutting
01 1798 用于工业制造过程的化学清洁剂 Chemical cleaning agents for use in industrial manufacturing processes
01 1799 用于钻井和井维护的化学组合物 Chemical compositions for use in well drilling and well maintenance
01 1800 化学固定化合物 Chemical fixing compounds
01 1801 用于制造聚合物的化合物 Chemical compounds for use in the manufacture of polymers
01 1802 用于工业过程的化学清洁剂 Chemical cleaning agents for use in industrial processes
01 1803 混凝土遮蔽用化学组合物 Chemical compositions for masking concrete