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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 2004 蔬菜保鲜化学产品 Chemical products for preserving the freshness of vegetables
01 2005 实验室分析用的化学物质 Chemical substances for analysis in laboratories
01 2006 用于制造纱线的化学上浆组合物 Chemical sizing compositions for use in the manufacture of threads
01 2007 气体去污用化学试剂 Chemical reagents for decontaminating gases
01 2008 产品储存期间保存用化学产品 Chemical products for preserving products during storage
01 2009 产生泡沫的化学物质 Chemical substances for generating foam
01 2010 用于纺织品制造的化学上浆组合物 Chemical sizing compositions for use in the manufacture of textiles
01 2011 用于基因身份检测的化学试剂 Chemical reagents for genetic identity testing
01 2012 饲料保鲜化学产品 Chemical products for preserving the freshness of feedstuffs
01 2013 用于浸渍膜以从液体中分离蛋白质的化学物质 Chemical substances for impregnation into membranes to separate proteins from liquids
01 2014 化学土壤改良剂 Chemical soil conditioners
01 2015 用于鉴定微生物的化学试剂,非医疗或兽医用 Chemical reagents for identification of microorganisms, other than for medical or veterinary use
01 2016 防止结垢的化学产品 Chemical products for preventing scale
01 2017 用于制造粘合剂的化学物质 Chemical substances for making adhesives
01 2018 用于在半导体晶片上沉积薄膜以制造半导体的化学源材料 Chemical source material for the deposition of thin films upon semiconductor wafers for the manufacture of semiconductors
01 2019 实验室用化学试剂(医疗或兽医用除外) Chemical reagents for laboratory use, other than for medical or veterinary use
01 2020 水果保鲜化学产品 Chemical products for preserving the freshness of fruit
01 2021 用于改变聚合物性能的化学物质 Chemical substances for modifying the properties of polymers
01 2022 用于拉伸鞋子的化学喷雾 Chemical sprays for stretching shoes
01 2023 除医疗或兽医用途外的分子生物学化学试剂 Chemical reagents for molecular biology, other than for medical or veterinary use
01 2024 污水处理化工产品 Chemical products for sewage treatment
01 2025 净化水的化学物质 Chemical substances for purifying water
01 2026 用于墙面覆盖物的化学稳定剂 Chemical stabilisers for use on wall coverings
01 2027 非医疗用途化学试剂 Chemical reagents for non-medical purposes
01 2028 上浆用化学产品 Chemical products for sizing