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Swiss federal authorities

This type includes:

  • production of lead, zinc and tin from ores
  • production of lead, zinc and tin from electrolytic refining of lead, zinc and tin waste and scrap
  • production of lead, zinc and tin alloys
  • semi-manufacturing of lead, zinc and tin

This type also includes:

  • manufacture of wire of these metals by drawing
  • production of tin foil

This type excludes:

List of keywords