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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 2354 科学中使用的化学品 Chemicals used in science
01 2355 用于制造液晶显示器的化学品 Chemicals used in the manufacture of liquid crystal displays
01 2356 用于制造织物或纺织品的化学品 Chemicals used in the manufacture of fabric or textiles
01 2357 造纸用化学品 Chemicals used in the manufacture of paper
01 2358 用于制造电子元件的化学品 Chemicals used in the manufacture of electronic components
01 2359 用于制造半导体芯片的化学品 Chemicals used in the manufacture of semiconductor chips
01 2360 用于制造糖果的化学品 Chemicals used in the manufacture of confectionery
01 2361 用于处理废物流的化学品 Chemicals used in the treatment of waste streams
01 2362 用于指示纸张涂层损坏的化学品 Chemicals used to indicate damage in paper coatings
01 2363 防结垢用化学品(家用除外) Chemicals used to prevent scaling [other than household]
01 2364 用于防止冷凝的化学品 Chemicals used to prevent condensation
01 2365 化学磨木浆 Chemiground wood pulp
01 2366 化学机械浆 Chemimechanical pulp
01 2367 烟囱清洁剂(化学品) Chimney cleaners (chemicals)
01 2368 清洁烟囱用化学品 Chimney cleaners, chemical
01 2369 瓷土 China clay
01 2370 瓷土泥浆 China slip
01 2371 氯碱 Chloralkalis
01 2372 氯酸盐 Chlorates
01 2373 氯化物 Chlorides
01 2374 氯化酸 Chlorinated acids
01 2375 氯化化学品 Chlorinated chemicals
01 2376 氯气 Chlorine
01 2377 游泳池用氯 Chlorine for swimming pools
01 2378 无氯肥料 Chlorine-free fertilizers