Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 68 Articles of stone, plaster, cement, asbestos, mica or similar materials 68 10 Articles of cement, of concrete or ofartificial stone Commodity Code Description 68 10 11 Building blocks and bricks, of cement or artificial stone or concrete 68 10 19 Flagstones and similar articles of cement, concrete or artificial stone 68 10 91 Prefabricated structural components for building or civil engineering : 68 10 99 Other
