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Class [19]
Non-Metallic Building Material Products

Non-metallic building materials, natural and artificial stone, cement for building mortar, plaster (not for medical or surgical purposes), concrete and gravel; pipes of earthenware or of cement; non-metallic road making materials; asphalt, pitch and bitumen; portable; asphalt, pitch and bitumen; portable buildings; slag filter media; buildings and structures, all made wholly or principally of concrete.