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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 4379 气体净化制剂 Purification of gas (Preparations for the -)
01 4380 造纸用纸浆 Pulp for use in papermaking
01 4381 用于铸造的淬火化合物 Quench compounds for use in casting
01 4382 供人食用的食品蛋白质(原料) Protein for food for human consumption [raw material]
01 4383 净化制剂 Purification preparations
01 4384 用于造纸的纸浆 Pulp for use in the manufacture of paper
01 4385 淬火液 Quenching fluids
01 4386 工业用纯化酶 Purified enzymes for industrial use
01 4387 用于制造纸板的纸浆 Pulp for use in the manufacture of board
01 4388 金属加工用淬火液 Quenching fluids for use in metalworking
01 4389 有机化合物提纯剂 Purifying agents for organic chemical compounds
01 4390 纸用浆 Pulp (Paper -)
01 4391 工业用途的镭 Radium for industrial purposes
01 4392 工业用快干粘合剂 Quick bonding adhesives for industrial use
01 4393 工业电解液净化剂 Purifying agents for the cleaning of industrial electrolytes
01 4394 科学用镭 Radium for scientific purposes
01 4395 醌氢醌 Quinhydrone
01 4396 油净化化学品 Purifying chemicals (Oil- -)
01 4397 氡 Radon
01 4398 辐射吸收剂 Radiation absorbing agents
01 4399 原料蛋白质 Raw proteins
01 4400 水净化化学品 Purifying chemicals (Water- -)
01 4401 碎布浆 Rag pulp
01 4402 辐射吸收组合物 Radiation absorbing compositions
01 4403 用于工业的原料蛋白质 Raw proteins for use in industry