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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 2254 用于造纸的化学品 Chemicals for use in the manufacture of paper
01 2255 用于镀镍工艺的化学品 Chemicals for use in nickel plating processes
01 2256 鞣革工业用化学品 Chemicals for use in the tanning industry
01 2257 半导体工业用化学品 Chemicals for use in the semiconductor industry
01 2258 病理学用化学品(医用和兽医用除外) Chemicals for use in pathology [other than medical and veterinary]
01 2259 橡胶工业用化学品 Chemicals for use in the rubber industry
01 2260 核酸聚合酶链式反应用化学品(医用和兽医用除外) Chemicals for use in performing nucleic acid polymerase chain reactions [other than medical and veterinary]
01 2261 用于农药组合物的化学品 Chemicals for use in pesticidal compositions
01 2262 用于农药的化学品 Chemicals for use in pesticides
01 2263 摄影用化学品 Chemicals for use in photography
01 2264 印版蚀刻用化学品 Chemicals for use in plate etching
01 2265 用于聚合反应的化学品 Chemicals for use in polymerisations
01 2266 印刷用化学品 Chemicals for use in printing
01 2267 推进剂用化学品 Chemicals for use in propellants
01 2268 用于净化水的化学品 Chemicals for use in purifying water
01 2269 放射化学分析用化学品(医用或兽医用除外) Chemicals for use in radiochemical analysis [other than medical or veterinary]
01 2270 用于去除涂层的化学品 Chemicals for use in removing coatings
01 2271 用于去除石棉的化学品 Chemicals for use in removing asbestos
01 2272 用于去除油漆的化学品 Chemicals for use in removing paint
01 2273 复印用化学品 Chemicals for use in reprography
01 2274 科学研究用化学品(非医用或兽医用) Chemicals for use in scientific research [other than medical or veterinary]
01 2275 科学用化学品(非医用或兽医用) Chemicals for use in science [other than medical or veterinary]
01 2276 科学分析用化学品(非医用或兽医用) Chemicals for use in scientific analysis [other than medical or veterinary]
01 2277 分离技术用化学品(非医用或兽医用) Chemicals for use in separation techniques [other than medical or veterinary]
01 2278 分离用化学品(非医用或兽医用) Chemicals for use in separation [other than medical or veterinary]