6
Metal building materials, in particular with sound, heat or cold insulating properties and fire-protection elements, including windows or doors; prefabricated heat, cold and sound insulating walls, ceilings and tunnels; noise recovery cabins; sound absorbers for smoke, exhaust gas, supply air, exhaust air and steam blow-off installations in buildings; sound enclosures (constructions) for motors and engines, turbines, jet engines and aeroplanes; building elements of electromagnetically conductive materials with shielding properties, in particular windows, doors, cabins, walls, ceilings and floors, and coverings therefor
7
Sound absorbers for smoke, exhaust gas, supply air, exhaust air and steam blow-off installations; sound enclosures for motors and engines, turbines, jet engines and aeroplanes
17
Insulating material and insulating elements, in particular sound, heat, cold and humidity insulating material in the form of bulk material, mats, panels, pipe sleeves or other shaped bodies, insulating elements for wall ducts; fire-protection insulation; sound damping materials; soundproofing materials
19
Building materials (non-metallic), in particular with sound, heat or cold insulating properties and fire protection elements, including windows and doors; prefabricated heat, cold and sound insulating walls, ceilings and tunnels; noise recovery cabins; sound absorbers for smoke, exhaust gas, supply air, exhaust air and steam blow-off installations in buildings; sound enclosures (constructions) for motors and engines, turbines, jet engines and aeroplanes; fire-proof building materials, in particular lining panels for floors, walls and ceilings; cold storage houses and cold storage cells made from prefabricated elements, refrigerated containers, building elements of electromagnetically conductive materials with shielding properties, in particular windows, doors, cabins, walls, ceilings and floors, and coverings therefor
37
Repair and maintenance; building construction, in particular construction of interiors, dry mortarless construction, construction of fire protection, heat, cold and sound insulation for buildings, parts for constructions, industrial installations and parts therefor; construction of cold storage houses, cold storage cells and refrigerating chambers; installation services, in particular construction of fire protection, heat, cold and sound insulation for machines, pipelines, containers, apparatus