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Swiss federal authorities
  • 28.13.1 Pumps for liquids; liquid elevators
  • 28.13.11 Pumps for fuel, lubricants, cooling-medium and concrete
  • 28.13.12 Other reciprocating positive displacement pumps for liquids
  • 28.13.13 Other rotary positive displacement pumps for liquids
  • 28.13.14 Other centrifugal pumps for liquids; other pumps
  • 28.13.2 Air or vacuum pumps; air or other gas compressors
  • 28.13.21 Vacuum pumps
  • 28.13.22 Hand or foot-operated air pumps
  • 28.13.23 Compressors for refrigeration equipment
  • 28.13.24 Air compressors mounted on a wheeled chassis for towing
  • 28.13.25 Turbo-compressors
  • 28.13.26 Reciprocating displacement compressors
  • 28.13.27 Rotary displacement compressors, single-shaft or multi-shaft
  • 28.13.28 Other compressors
  • 28.13.3 Parts of pumps and compressors
  • 28.13.31 Parts of pumps; parts of liquid elevators
  • 28.13.32 Parts of air or vacuum pumps, of air or gas compressors, of fans, of hoods
  • 28.13.9 Sub-contracted operations as part of manufacturing of other pumps and compressors
  • 28.13.99 Sub-contracted operations as part of manufacturing of other pumps and compressors