Table of Similar Goods and Services
0746 Gas separation equipment
Notes on similar group 0746
Practice notes (J&C)
This group covers gas-separation equipment, oxygen and nitrogen generation equipment, electrolytic gas generators, gas-liquefaction equipment, etc.; there are no official notes. Industrial gases are in 0101 of Class 1, and oxygen generators for medical use are in 1004 of Class 10 (practical tip). No additions or deletions to this group in 2026.
Applies to the 2026 edition · Published 2026-10-09 · Reviewed 2026-10-09
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 |
|---|---|---|---|---|
| 07 | 0746 | 070591 | 电解制气机 | machines for generating gas by electrolysis |
| 07 | 0746 | C070338 | 生产二氧化碳设备 | carbon dioxide production equipment |
| 07 | 0746 | C070337 | 气体液化设备 | gas liquefaction equipment |
| 07 | 0746 | C070334 | 气体分离设备 | gas separating equipment |
| 07 | 0746 | C070335 | 制氧、制氮设备 | oxygen and nitrogen generating equipment |
| 07 | 0746 | C070336 | 稀有气体提取设备 | rare gas extraction equipment |