6
Buildings being fixed structures of metal; Framework of metal for building; Sheds [buildings] of metal; Structural frames of metal for building; Steel frames for building; Buildings of metal; Building structures of metal; Structures of metal; Sound insulating structures of metal; Prefabricated metal buildings; Silos of metal; Liquid storage tanks [structures] made of metal; Trestle columns of metal; Metal masts [other than aerials or for watercraft]; Shelters [building structures] of metal; Modular metallic structures; Modular prefabricated steel framing; Modular shelters of metal; Modular portable building structures [metal]; Modular building units (Metal -); Pre-fabricated metal architectural columns; Prefabricated metal bridges; Bridges [structures] of metal; Canopies [structures] of metal; Shelters (Cycle -), of metal; Shelters made principally of metallic materials; Metal tubing; Metal ventilation channels; Penstock pipes of metal; Penstock pipes of metal; Pipes of metal, for central heating installations; Junctions of metal for pipes; Reinforcing materials of metal for pipes; Water-pipes of metal; Fittings of metal for compressed air lines; Ducts of metal for ventilating and air-conditioning installations; Metal valves for controlling the flow of fluids in pipelines; Metal valves for controlling the flow of gases in pipelines; Pipes of metal including those from alloy steel and titanium; Metal vent covers for HVAC ducts; Awnings of metal; Awnings of metal [building materials]; Metal bus shelters; Metal bus shelters; Rain shelters of metal; Shelters made of prefabricated metal insulated materials; Canopies of metal incorporating fixed or movable slats; Vats of metal; Tanks of metal; Reservoirs (metal -) [structures]; Tanks of metal; Metal casks; Drums [containers] of metal other than household containers; High pressure metal cylinders [containers]; Closures of metal for containers; Potable water reservoirs of metal; Tanks of metal for the storage of compressed gases; Tanks of metal for the transportation of compressed gases; Containers of metal for chemicals, compressed gases and liquids; Water tanks of metal for household purposes
11
Dust cyclone filters; Power filters for water purification [other than machines]; Electrostatic filters for water filtration; Filter elements for the overflows of water supply tanks; Filter elements for the air vents of water supply tanks; Filter boxes for water purification; Filters for use with apparatus heating; Filters for industrial installations; Filters for use with apparatus for steam generating; Molten metal filter chambers; Filters for use with swimming pools; Filters for exhaust extractors [parts of household or industrial installations]; Water treatment filters; Filters for gases [household or industrial installations]; Dust filters; Filters for cleaning gases [parts of household or industrial installations]; Air cleaning filters [parts of air cleaning machines or installations]; Filters for air purifiers; Filters for refrigeration systems; Filters for ponds; Filters for use with lighting apparatus; Filters for use with apparatus for ventilating; Filters for use with apparatus for water supply; Filters for use with apparatus for sanitary purposes; Filters for sanitary water distribution apparatus; Filters for water purifiers; Filters for air extractor hoods; Water filters; Water filters [installations] for agricultural purposes; Water filters for industrial purposes; Industrial air filter machines; Air filtering installations; Apparatus for filtering drinking water; Filter apparatus for water supply installations; Air filters; Air filters for use as dust arrestants in industrial processes; Air filters for use as dust extractors in industrial processes; Air filters for air conditioning units; Filters for fume extractors; Filters for gas extractors; Fittings for flues; Gas condensers, other than parts of machines; Flue gas cleaning apparatus; Fire ventilators for exhausting gases; Fire ventilators for exhausting vapours; Filters for waste gas purification; Gas purification installations; Smoke purifiers; Gas scrubbers [parts of gas installations]; Separators for scrubbing gas; Scrubbing columns for the purification of gases; Scrubbing towers for the purification of gases; Oil-scrubbing apparatus; Wet scrubbers; Refining towers for distillation; Industrial drying installations; Drying apparatus for fodder and forage; Extraction hoods for fodder driers; Drier cabinets; Steam driers; Ovens utilising air frequency fields for drying purposes; Drying ovens; Gas operated devices used in drying; Mobile drying apparatus [heat drying]; Drying shelves; Refrigerated compressed air dryers; Air bars for use in dryers; Plywood drying machines; Drying machines for agriculture; Drying apparatus and installations; Desiccating apparatus; Animal feed drying apparatus; Chemical fiber drying apparatus; Harvest drying apparatus; Driers (Air -); Air conditioning installations; Air conditioning installations for industrial purposes; Heating rods; Industrial heating installations; Installations for evaporating; Electrostatic precipitators for cleaning air; Electrostatic precipitators for cleaning gases; baghouses; Hybrid filters; Cyclonic dust separators