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Swiss federal authorities

This type includes:

  • manufacture of steam or other vapour generators
  • manufacture of auxiliary plant for use with steam generators:
  • condensers, economizers, superheaters, steam collectors and accumulators
  • manufacture of nuclear reactors, except isotope separators
  • manufacture of parts for marine or power boilers

This type also includes:

  • pipe system construction comprising further processing of tubes generally to make pressure pipes or pipe systems together with the associated design and construction work

This type excludes:

  • manufacture of central heating hot-water boilers and radiators (see 252100)
  • manufacture of boiler-turbine sets (see 281100)
  • manufacture of isotope separators (see 289902)