Condensing installations; steam condensers; air condensers; steam engines; blowing machines for the compression, exhaustion and transport of gases; blowing engines; hangers [parts of machines]; compressors (machines); radiators [cooling] for motors and engines; pumps (machine or engine parts, machinery); pumps for heating installations, centrifugal pumps, lubricating pumps; regulators (parts of machines); fans for motors and engines; carburettors; heat exchangers (parts of machines); steam boilers (parts of machines); none of the aforesaid goods being for use in the field of vacuum generation