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Swiss federal authorities
  • 28.91.1 Machinery for metallurgy and parts thereof
  • 28.91.11 Converters, ladles, ingot moulds and casting machines; metal-rolling mills
  • 28.91.12 Parts of machines for metallurgy; parts of metal-rolling mills
  • 28.91.9 Sub-contracted operations as part of manufacturing of machinery for metallurgy
  • 28.91.99 Sub-contracted operations as part of manufacturing of machinery for metallurgy