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Table of Similar Goods and Services

Class 42 Scientific and technological services

Data version: CNIPA Table of Similar Goods and Services, 2026 text (based on the 13th edition of the Nice Classification, NCL 13-2026, in force since 1 January 2026). Chinese terms, groups and numbers follow the official text; English and Spanish terms are taken from WIPO, while CNIPA-specific items (C numbers) carry reference translations, whose English was fully revised on 8 October 2026. NCL 13-2027 enters into force on 1 January 2027. Selected reference translations were revised on 13 October 2026.

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Class Group Item No. Chinese English
42 4209（一） 420040 技术研究 technological research
42 4209（一） 420233 电信技术咨询 telecommunications technology consultancy
42 4209（一） 420192 城市规划 urban planning
42 4209（二） 420213 活立木的质量评估 quality evaluation of standing timber
42 4209（一） 420216 水质分析 water analysis
42 4209（一） 420236 撰写科技文稿 technical writing
42 4209（一） 420256 焊接领域的研究 research in the field of welding
42 4209（二） 420136 校准（测量） calibration [measuring]
42 4210 420252 石油、天然气和矿业领域的勘探服务 exploration services in the field of the oil, gas and mining industries
42 4210 420268 由无人机进行的制图测量或热成像测量服务 cartographic or thermographic measurement services by drone
42 4210 420270 发掘领域的研究 research in the field of excavation
42 4210 420275 提供地理信息 providing geographic information
42 4210 420276 提供不可下载的在线地理图 providing online geographic maps, not downloadable
42 4210 420280 岩土工程勘察 geotechnical investigations
42 4210 420281 地质试井 geological test drilling
42 4210 420292 考古挖掘 archaeological excavation
42 4210 420119 地质研究 geological research
42 4210 420062 地质勘测 geological surveys
42 4210 420079 土地测量 land surveying
42 4210 420008 油田开采分析 analysis for oil-field exploitation
42 4210 420042 油井测试 oil-well testing
42 4210 420118 地质勘探 geological prospecting
42 4210 420095 石油勘探 oil prospecting
42 4210 420193 测绘（工程） surveying [engineering]
42 4210 420063 油田勘测 oil-field surveys