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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 4429 稀土金属盐 Rare earth metals (Salts from -)
01 4430 科学用放射性元素 Radioactive elements for scientific purposes
01 4431 工业用未加工人造树脂 Raw [unprocessed] artificial resins for use in industry
01 4432 热解石墨 Pyrolytic graphite
01 4433 稀土盐 Rare earth salts
01 4434 用于科学目的的放射性物质 Radioactive materials for scientific purposes
01 4435 科学用反应物 Reactants for scientific use
01 4436 吡咯 Pyrrole
01 4437 稀土 Rare earths
01 4438 实验室用放射性物质 Radioactive materials for laboratory use
01 4439 反应性液体聚合物组合物 Reactive liquid polymer compositions
01 4440 季铵化合物 Quaternary ammonium compounds
01 4441 稀有气体(非医用) Rare gases other than for medical use
01 4442 工业用放射性制剂 Radioactive preparations for industrial purposes
01 4443 反应纸 Reactive paper
01 4444 工业用坚木树皮 Quebracho bark for industrial use
01 4445 化学原料 Raw chemicals
01 4446 实验室用放射性制剂 Radioactive preparations for laboratory purposes
01 4447 化学分析试剂 Reagent for chemical analyses
01 4448 工业用白雀树皮 Quebracho for industrial purposes
01 4449 用于制造聚氨酯树脂的化学品原料 Raw chemicals for use in the manufacture of polyurethane resins
01 4450 用于科学目的的放射性制剂 Radioactive preparations for scientific purposes
01 4451 试剂纸 Reagent paper
01 4452 鞣革用坚木 Quebracho for tanning
01 4453 漆用原料 Raw material for lacquers