Aerating pumps for aquaria; Air compressors; Air distribution units for pneumatically driven pumps; Back pressure valves as parts of machines; Blowing machines for the compression, exhaustion and transport of gases; Central vacuum cleaning installations; Centrifugal pumps; Cleaning appliances utilizing steam; Compressed air machine components, namely, cylinders, valves and air grips; Compressed air pumps; Dust exhausting installations for cleaning purposes; Dust removing installations for cle...

[ Aerating pumps for aquaria; Air compressors; Air distribution units for pneumatically driven pumps; Back pressure valves as parts of machines; Blowing machines for the compression, exhaustion and transport of gases; Central vacuum cleaning installations; ] Centrifugal pumps; [ Cleaning appliances utilizing steam; Compressed air machine components, namely, cylinders, valves and air grips; Compressed air pumps; Dust exhausting installations for cleaning purposes; Dust removing installations f...