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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 1854 用于印刷电路制造的化学氧化剂 Chemical oxidants for use in the manufacture of printed circuits
01 1855 化验用化学试纸 Chemical paper for use with assays
01 1856 化学汽油添加剂 Chemical petrol additives
01 1857 造纸用化学制剂 Chemical preparations for use in paper making
01 1858 化学镀溶液 Chemical plating solutions
01 1859 食品工业用化学制剂 Chemical preparations for use in the food industry
01 1860 保护织物的化学制剂 Chemical preparations for protecting fabrics
01 1861 用于制造聚氨酯泡沫的化学前体 Chemical precursors for making polyurethane foam
01 1862 用作燃料添加剂以改善燃烧的化学制剂 Chemical preparations for use as additive to fuels for improving combustion
01 1863 焊接化学制剂 Chemical preparations for soldering
01 1864 用于DNA分析的化学制剂(非医用) Chemical preparations for use in dna analysis [other than medical]
01 1865 脱水化学制剂 Chemical preparations for dewatering
01 1866 焊接用化学制剂 Chemical preparations for use in welding
01 1867 水处理化学制剂 Chemical preparations for the treatment of water
01 1868 用于分散油污的化学制剂 Chemical preparations for the dispersal of oil
01 1869 用于修补轮胎的化学制剂 Chemical preparations for use in the repair of tyres
01 1870 用于实验室分析的化学制剂,医疗或兽医用途除外 Chemical preparations for analyses in laboratories, other than for medical or veterinary purposes
01 1871 密封化学制剂 Chemical preparations for sealing
01 1872 用于水净化的化学制剂 Chemical preparations for use in water purification
01 1873 用于保存食品的化学制剂 Chemical preparations for preserving foodstuffs
01 1874 用作燃料添加剂以防治污染的化学制剂 Chemical preparations for use as additive to fuels for combatting pollution
01 1875 用于制造轮胎的化学制剂 Chemical preparations for use in the manufacture of tyres
01 1876 用于种子处理的化学制剂 Chemical preparations for the treatment of seeds
01 1877 用于制造油漆的化学制剂 Chemical preparations for use in the manufacture of paints
01 1878 促进金属合金形成用化学制剂 Chemical preparations for facilitating the alloying of metals