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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 1829 制造过程用化学脱脂液体 Chemical degreasing liquids for use in manufacturing processes
01 1830 控制燃料泄漏用化学组合物 Chemical compositions for the control of fuel spillages
01 1831 混凝土硬化用化学组合物 Chemical compositions for hardening concrete
01 1832 用于工业制造过程的化学除油剂 Chemical grease removing agents for use in industrial manufacturing processes
01 1833 工业用化学诊断试剂 Chemical diagnostic reagents for industrial use
01 1834 砖砌体加固用化学组合物 Chemical compositions for reinforcing brickwork
01 1835 混凝土增强用化学组合物 Chemical compositions for reinforcing concrete
01 1836 化学硬化制剂 Chemical hardening preparations
01 1837 可裂变化学元素 Chemical elements (Fissionable -)
01 1838 砖砌体加固用化学组合物 Chemical compositions for reinforcing brickwork
01 1839 混凝土增强用化学组合物 Chemical compositions for reinforcing concrete
01 1840 皮革化学浸渍物质 Chemical impregnating substances for leather
01 1841 用于切割的化学元素 Chemical elements for use in cutting
01 1842 砖砌体加固用化学组合物 Chemical compositions for reinforcing brickwork
01 1843 纺织品化学浸渍物质 Chemical impregnating substances for textiles
01 1844 砖砌体加固用化学组合物 Chemical compositions for reinforcing brickwork
01 1845 抗酸侵蚀的化学抑制剂 Chemical inhibitors against acid attack
01 1846 纸用化学增强剂 Chemical intensifiers for paper
01 1847 橡胶用化学增强剂 Chemical intensifiers for rubber
01 1848 用于制造的化学中间体 Chemical intermediates for use in manufacture
01 1849 工业用化学中间体 Chemical intermediates for use in industry
01 1850 用于制造陶瓷材料的化学材料 Chemical materials for the manufacture of ceramic materials
01 1851 用于制造陶瓷的化学材料 Chemical materials for use in the manufacture of ceramics
01 1852 用于制造玻璃的化学材料 Chemical materials for use in the manufacture of glass
01 1853 化学机油添加剂 Chemical motor oil additives