[Class : 19] Cement, Hydraulic Cement, Cement Slabs, Pipes Of Cement, Fibre Cement Siding, Fiber Cement Boards, Fiber Cement Siding, Wood Fibre Reinforced Cement Boards, Pipes Of Cement, Earthenware Or Sandstone, Glass Powder For Use As A Partial Replacement Of Portland Cement In Cement Mixes