Air hose reels of metal (non-mechanical); Inserts of metal for nozzles; Nozzles of metal; Nozzles of metal (hardware); Metal tubes (other than parts of machines, engines or sanitary installations); Metal tubes for gas; Metal pipes for building purposes; Metal hardware for buildings

Air hose reels (mechanical); Fuel nozzles; Rocket nozzles; Rotary nozzles for use with high pressure water washing machines; Spray nozzles being parts of machines; Spray nozzles for attachment to pressure washing machines; Suction nozzles for vacuum cleaners; Metal tubes (parts of engines); Metal tubes (parts of machines); Metal pipes (parts of engines); Apparatus (machines) for filtering dust; Apparatus for dust collection (cleaning) in buildings; Apparatus for the removal of dust from buildings; Dust exhausting installations for cleaning purposes; Dust removing installations for cleaning purposes; Electric dust removing (cleaning) apparatus; Filters for dust for use with internal combustion engines; Power blowers for the exhaustion of dust; Suction apparatus for industrial use in the removal of dust; Filters (parts of machines or engines); Filters being parts of engines; Filters being parts of machines; Filters being parts of motors; Filters for cleaning cooling air (for engines); Filters for industrial purposes; Filters for machines; Vacuum filters being parts of machines