knauf interfer

Common metals and their alloys; customized building and construction material of aluminium; building and construction materials of steel, except in connection with dry building elements; transportable buildings of metal, except in connection with dry building elements; building materials for railway tracks of metal; tubes of metal, except in connection with dry building elements; customized extruded profiles of aluminium as far as they are not included in other classes, except in connection with dry building elements, aluminium, steel [unwrought or semi-wrought], in particular profile steel, steel bars and strip steel, quality round steel, wide flats and bulb flats, construction steel, carburized steel, tempering steel as well as free-cutting steel; steel tubes and precision steel tubes, pressure tubes, threaded tubes, boiler tubes, profile tubes, hollow profiles for steel construction, except in connection with dry building elements; metal sheets, strips, rods; customized rolled profiles for cold rolling and cold rolled sections of steel; customized extruded profiles of aluminium for the automotive sector and the sectors of agricultural machinery and transport machines, for transport installations as well as the sectors of building and electrical Industry, mechanical and plant engineering and medical technology; customized aluminium profiles for purposes of building and construction, especially for windows, doors, facades and roofs; customized joints of aluminium. Advertising; business management; business administration; office functions; retail and wholesale services regarding common metals and their alloys, sheets, strips and rods, customized building and construction materials of metal, in particular aluminium and steel products; consulting concerning the previously mentioned services. Treatment of materials, namely cutting metal, sawing, scribing, boring and flame cutting; annealing of metal parts; grid blasting, milling, chamfering, boring and welding of metal pieces; welding, stamping and grinding of metals; surface treatment of steel and non- ferrous metals; galvanizing; metal finishing, in particular hot dip coating and tin plating; contract manufacturing and prefabricating building and construction materials of metal for third parties, in particular bending of metal, sheet metal working and welding of aluminium.