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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 2279 用于处理纺织织物的化学品(洗衣用途除外) Chemicals for use in the treatment of textile fabrics [other than for laundry purposes]
01 2280 农用化学品工业用化学品 Chemicals for use in the agrochemical industry
01 2281 造纸工业用化学品 Chemicals for use in the paper industry
01 2282 用于制造阻燃涂料的化学品 Chemicals for use in the manufacture of flame retardant coatings
01 2283 治理植物环境损害用化学品 Chemicals for use in the therapy of environmental damage on plants
01 2284 气井成井用化学品 Chemicals for use in the formation of gas wells
01 2285 用于处理液态碳氢化合物的化学品 Chemicals for use in the treatment of liquid hydrocarbons
01 2286 用于制造染料的化学品 Chemicals for use in the manufacture of dyestuffs
01 2287 用于纱线处理的化学品 Chemicals for use in the treatment of yarns
01 2288 线处理用化学品 Chemicals for use in the treatment of threads
01 2289 用于制造混凝土的化学品 Chemicals for use in the manufacture of concrete
01 2290 酿造葡萄酒用化学品 Chemicals for use in the making of wine
01 2291 油井成井用化学品 Chemicals for use in the formation of oil wells
01 2292 石油工业用化学品 Chemicals for use in the oil industry
01 2293 用于中和放射性物质的化学品 Chemicals for use in the neutralization of radioactive substances
01 2294 用于电泳结果可视化的化学品 Chemicals for use in the visualization of electrophoretic results
01 2295 用于制造油漆的化学品 Chemicals for use in the manufacture of paints
01 2296 用于体外蛋白质纯化的化学品 Chemicals for use in the purification of proteins for in vitro use
01 2297 热成像用化学品(非医用或兽医用) Chemicals for use in thermography [other than medical or veterinary]
01 2298 用于转移印花的化学品 Chemicals for use in transfer printing
01 2299 毛皮处理用化学品 Chemicals for use in treating skins
01 2300 用于处理皮革的化学品 Chemicals for use in treating leather
01 2301 生皮处理用化学品 Chemicals for use in treating hides
01 2302 用于处理金属表面的化学品 Chemicals for use in treating metal surfaces
01 2303 熔焊用化学品 Chemicals for use in welding