Architectural concrete products; architectural concrete products for building purposes; articles of concrete for building purposes; acoustic panels not of metal; articles of concrete for construction purposes; bricks; building elements made of concrete; building elements of concrete; building elements of reinforced concrete; building materials not of metal; ceramic tiles (wall); ceramic tiles for external walls; decorative ceramic tiles for walls; earthenware tiles; exterior cladding material made up of prefinished compressed fibre cement; concrete; concrete articles for building walls; concrete building panels; concrete cladding panels; concrete cladding sheets; concrete constructional sheets; concrete facing panels and sheets; concrete prefabrications; concrete products for use in building; concrete wall stone; constructional members of aerated concrete for use in building; non-metallic reconstituted adorning facing bricks; mouldings, not of metal, for building; non-metallic building bricks; non-metallic facing bricks; non-metallic cladding for facades; planar panels made of concrete; precast concrete building elements; preformed building panels made of concrete; preformed building panels made of concrete and foamed plastics; preformed building panels made principally of concrete; preformed concrete building elements; reinforced concrete; structural elements of concrete; wall decorations of terracotta (parts of buildings)