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Group 0746: Gas separation equipment

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气体分离设备

In class 7, Machines and machine tools. 7 items, 6 of them standard items in CNIPA’s list.

  • Machines for generating gas by electrolysis电解制气机Item 070591, Nice item
  • Gas separating installations气体分离设备Item C070334, CNIPA C item
  • Oxygen and nitrogen generation equipment制氧、制氮设备Item C070335, CNIPA C item
  • Rare gases extracting machines稀有气体提取设备Item C070336, CNIPA C item
  • Gas liquefying installations气体液化设备Item C070337, CNIPA C item
  • Carbon dioxide production equipment生产二氧化碳设备Item C070338, CNIPA C item
  • Electrolysis machines for generating gases气体发生用电解机Non-standard item
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Classes follow the Nice Classification. Similarity groups and Chinese item names follow CNIPA’s classification of similar goods and services, as used in Ginbing’s filing flow on October 12, 2026. CNIPA’s current list is authoritative.

Credit: The list is CNIPA’s classification of similar goods and services as of October 12, 2026. Nice Classification English is © WIPO.

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