2523 Cement, Incl. Cement Clinkers, Whether or not Coloured

2523 (01/1988-..) Cement, Incl. Cement Clinkers, Whether or not Coloured 25231000 (01/1988-..) Cement Clinkers 25232100 (01/1988-..) White Portland Cement, Whether or not Artificially Coloured 25232900 (01/1988-..) Portland Cement (Excl. White, Whether or not Artificially Coloured) 25233000 (01/1988-..) Aluminous Cement 25239000 (01/2010-..) Cement, Whether or not Coloured (Excl. Portland Cement and Aluminous Cement) 25239010 (01/1988-12/2009) Blast Furnace Cement 25239030 (01/1988-12/2003) Pozzolanic Cement 25239080 (01/2004-12/2009) Cement, Whether or not Coloured (Excl. Portland Cement, Aluminous Cement and Blast Furnace Cement) 25239090 (01/1988-12/2003) Cement, Whether or not Coloured (Excl. Portland Cement, Aluminous Cement, Blast Furnace Cement and Pozzolanic Cement)