75544389
Aug 20, 1998
Jul 9, 2002
Non-metal building materials, namely hydraulic or Portland cement, mortars, concrete and plaster; mineral tile floors, ceiling panels, girders, stones, ceramic tiles, roofing, paving tiles and stones, floor and wall tiles not made of metal, bricks; plates, columns, wall tiles, wall boards and built-in elements for houses and buildings, namely stairs and steps made from cement, mortar, concrete or plaster; hard surface coverings for roads and footpaths made from cement, mortar, concrete and plaster
Nonmetallic Building Materials