6
Metal building materials; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal, conduits of metal for ventilating and air conditioning installations, valves and clack valves of metal; casement windows of metal, reinforcing materials of metal for building, fittings of metal for buildings, building materials and building panels of metal, flaps of metal; wall linings of metal, containers of metal, roof coverings and roofs of metal, blinds of metal, chimney hoods and sealing caps of metal, prefabricated fireplaces of metal; foils of metal for insulating
11
Apparatus for heating, steam generating, refrigerating, drying and ventilating purposes; air heaters, gas and oil burners, heaters, radiators, heating installations, heatable surface elements for floors, in particular heating apparatus for piglet nests for stables; heat exchangers, heat accumulators; air conditioning systems, air conditioning apparatus, refrigerating installations, air cooling apparatus; ventilators for ventilating and air conditioning buildings, elements for ventilating hoods, in particular for stables and halls; air duct installations, air vents, chimney hoods, air filtering and air purifying installations, supply air and exhaust air distributors, water collection basins for exhaust air pipes, diffusers, inflow nozzles, gas scrubbers, supply air and exhaust air pipes, in particular bends, Y and T pieces, attachments and shaped pieces for heating and ventilating installations, valves, rain hoods for ventilating installations; regulating and safety fittings, and components and parts for the aforesaid goods, included in class 11
19
Building materials of plastic for heating, air conditioning and ventilating installations; components (not of metal) for supplying and removing air, into and from buildings, in particular stables, namely exhaust air pipes and parts therefor, connectors, junctions, bends, T pieces, Y pieces, inflow nozzles for exhaust air pipes, rain hoods for exhaust air pipes, pressure relief dampers for exhaust air pipes; non-metallic rigid piping for building; roof coverings, not of metal, including roof web tarpaulins; non-metallic roofing tiles; supply air elements, not of metal, in particular for walls or ceilings; wind deflection hoods, not of metal; perforated and non-perforated panels (not of metal) for building, including aluminium coated panels, in particular for constructing ceilings and ventilating hoods in stables