vents

Reinforcing materials of metal for pipes; hardware of metal, small; water-pipes of metal; sleeves [metal hardware]; accordion doors of metal; folding doors of metal; swing doors of metal; chimney cowls of metal; chimneys of metal; chimney shafts of metal; drain pipes of metal; jalousies of metal; plugs of metal; hoop iron; outdoor blinds of metal; clips of metal for cables and pipes; junctions of metal for pipes; water-pipe valves of metal; drain traps [valves] of metal; valves of metal, other than parts of machines; chimney pots of metal; manifolds of metal for pipelines; elbows of metal for pipes; pipe muffs of metal; penstock pipes of metal; casings of metal for oilwells; branching pipes of metal; fireplace grates of metal; grilles of metal; furnace fireguards of metal; pipes of metal; steel pipes; pipework of metal; Vacuum pumps [machines]; fans for motors and engines; centrifugal pumps; suction machines for industrial purposes; motors, other than for land vehicles; flues for engine boilers; feeders [parts of machines]; feeding apparatus for engine boilers; valves [parts of machines]; compressors [machines]; compressors for refrigerators; steam condensers [parts of machines]; condensing installations; pumps [machines]; pumps [parts of machines, engines or motors]; fittings for engine boilers; steam engines; fan belts for motors and engines; air suction machines; blowing machines; fans for the compression, sucking and carrying of grain; blowing machines for the compression, exhaustion and transport of gases; air condensers; boiler tubes [parts of machines]; filters for cleaning cooling air, for engines; filters being parts of machines or engines; filter presses; filtering machines. Steam accumulators; heat accumulators; hot air apparatus; air deodorizing apparatus; ionization apparatus for the treatment of air or water; pipes [parts of sanitary installations]; disinfectant apparatus; disinfectant apparatus for medical purposes; deodorizing apparatus, not for personal use; ; furnace grates; taps for pipes and pipelines; mixer taps for water pipes; boilers, other than parts of machines; steam boilers, other than parts of machines; cooling appliances and installations; pipes [parts of sanitary installations]; boiler pipes [tubes] for heating installations; Water-pipes, not of metal; accordion doors, not of metal; folding doors, not of metal; swing doors, not of metal; chimney shafts, not of metal; lengthening pieces, not of metal, for chimneys; drain pipes, not of metal; jalousies, not of metal; water- pipe valves, not of metal or plastic; drain traps [valves], not of metal or plastic; chimney pots, not of metal; penstock pipes, not of metal; branching pipes, not of metal; rigid pipes, not of metal, for building.