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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 1654 用作植物叶面肥料的螯合物质 Chelated substances for use as fertilizers for plant foliage
01 1655 陶瓷釉料 Ceramic glazes
01 1656 用作植物叶面营养剂的螯合物质 Chelated substances for use as nutrients for plant foliage
01 1657 陶瓷釉 Ceramic glazings
01 1658 螯合物 Chelates
01 1659 工业用颗粒状陶瓷材料 Ceramic materials in granule form for use in industry
01 1660 螯合剂 Chelating agents
01 1661 用作过滤介质的颗粒状陶瓷材料 Ceramic materials in particulate form, for use as filtering media
01 1662 化学吸收剂 Chemical absorbants
01 1663 用作过滤制剂的颗粒状陶瓷材料 Ceramic materials in particulate form for use as filtering preparations
01 1664 油井钻井液化学添加剂 Chemical additives for oil well drilling fluids
01 1665 化学吸收剂 Chemical absorbents
01 1666 工业用糊状陶瓷材料 Ceramic materials in paste form for use in industry
01 1667 油井钻井液化学添加剂 Chemical additives for oil well drilling fluid
01 1668 化学添加剂 Chemical additives
01 1669 工业用粉末状陶瓷材料 Ceramic materials in powder form for use in industry
01 1670 油类用化学添加剂 Chemical additives for oils
01 1671 油井钻井中用于稳定井壁的化学添加剂 Chemical additives for borehole stabilisation in oil well drilling
01 1672 用作填料的陶瓷微球 Ceramic microspheres for use as fillers
01 1673 油井水泥化学添加剂 Chemical additives for oil well cements
01 1674 混凝土化学添加剂 Chemical additives for concrete
01 1675 用作增强材料的陶瓷微球 Ceramic microspheres for use as reinforcing materials
01 1676 涂料化学添加剂 Chemical additives for paint
01 1677 钻井液化学添加剂 Chemical additives for drilling fluids
01 1678 用于形成压电元件的陶瓷粉末 Ceramic powder for forming piezoelectric elements