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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 2329 氧化铬 Chromium oxide
01 2330 氧化铬 Chromium oxides
01 2331 镀铬组合物 Chromium plating compositions
01 2332 电影胶片,已感光但未曝光 Cinematographic film, sensitised but not exposed
01 2333 电影胶片,已感光但未曝光 Cinematographic film, sensitized but not exposed
01 2334 已感光未曝光的电影胶片 Cinematographic films, sensitized but not exposed
01 2335 肉桂醇 Cinnamyl alcohol
01 2336 柠檬酸 Citric acid
01 2337 工业用柠檬酸 Citric acid for industrial purposes
01 2338 澄清制剂 Clarification preparations
01 2339 澄清用化学剂 Clarifiers
01 2340 澄清剂 Clarifying agents
01 2341 瓷土 Clay (China -)
01 2342 水培植物栽培用膨胀粘土(基质) Clay (Expanded- -) for hydroponic plant growing [substrate]
01 2343 用作悬浮液膨胀剂的粘土 Clay for use as swelling agents for suspensions
01 2344 用作悬浮液增稠剂的粘土 Clay for use as thickening agents for suspensions
01 2345 用作悬浮液触变剂的粘土 Clay for use as thixotropic agents for suspensions
01 2346 化学烟囱清洁剂 Cleaners, chemical (Chimney -)
01 2347 用于制造过程的清洁溶剂 Cleaning solvents for use in manufacturing processes
01 2348 临床诊断剂(医用或兽医用除外) Clinical diagnostics, other than for medical or veterinary use
01 2349 晒图布 Cloth (Blueprint -)
01 2350 离合器液 Clutch fluid
01 2351 共聚酯树脂 Co-polyester resins
01 2352 节煤剂 Coal saving preparations
01 2353 涂料工业用成膜助剂 Coalescing aids for the paint industry