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Swiss federal authorities

This type includes:

  • manufacture of liquefied or compressed inorganic industrial or medical gases:
  • elemental gases
  • liquid or compressed air
  • refrigerant gases
  • mixed industrial gases
  • inert gases such as carbon dioxide
  • isolating gases

This type excludes:

  • extraction of methane, ethane, butane or propane (see 062000)
  • manufacture of fuel gases such as ethane, butane or propane in a petroleum refinery (see 192000)
  • manufacture of gaseous fuels from coal, waste, etc. (see 352100)