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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 4979 种子保存物质 Substances for preserving seeds
01 4980 硫酸盐 Sulfates
01 4981 基因探针检测试剂盒用物质(非医用) Substances for use in genetic probe assay kits [not for medical use]
01 4982 切花保鲜物质 Substances for preserving cut flowers
01 4983 用作电气仪器电介质的六氟化硫 Sulphur hexafluoride for use as dielectrics in electrical instruments
01 4984 硫化物 Sulfides
01 4985 用于填充表面缺陷的聚酯糊剂物质 Substances of polyester paste for use in the filling of flaws in surfaces
01 4986 硫[非金属元素] Sulphur [non-metallic element]
01 4987 亚磺酸 Sulfinic acid
01 4988 用于修补裂缝的聚酯糊剂物质 Substances of polyester paste for use in the repair of cracks
01 4989 硫磺[非金属矿物] Sulphur [non-metallic mineral]
01 4990 亚硫酸盐用于保存食物 Sulfite for preserving food
01 4991 用于修补表面孔洞的聚酯糊剂物质 Substances of polyester paste for use in the repair of holes in surfaces
01 4992 硫酸 Sulphuric acid
01 4993 混凝土涂层用表面活性剂(油漆除外) Surfactants for use in coating concrete [other than paints]
01 4994 磺酸 Sulfonic acids
01 4995 用于填充裂缝的聚酯糊剂物质 Substances of polyester paste for use in the filling of cracks
01 4996 硫酸醚 Sulphuric ether
01 4997 用于洗涤剂组合物的表面活性剂 Surfactants for use in detergent compositions
01 4998 硫 Sulfur
01 4999 用于修复表面缺陷的聚酯糊剂物质 Substances of polyester paste for use in the repair of flaws in surfaces
01 5000 亚硫酸 Sulphurous acid
01 5001 地板表面保存用表面活性剂 Surfactants for use in preserving floor surfaces
01 5002 硫酸 Sulfuric acid
01 5003 亚硫酸气(二氧化硫) Sulphurous acid gas (sulphur dioxide)