2520 Gypsum, Anhydrite, Plasters Consisting of Calcined Gypsum or Calcium Sulphate, Whether or not Coloured, With or Without Small Quantities of Accelerators or Retarders

2520 (01/1988-..) Gypsum, Anhydrite, Plasters Consisting of Calcined Gypsum or Calcium Sulphate, Whether or not Coloured, With or Without Small Quantities of Accelerators or Retarders 25201000 (01/1988-..) Gypsum, Anhydrite 25202000 (01/2010-..) Plasters Consisting of Calcined Gypsum or Calcium Sulphate, Whether or not Coloured, With or Without Small Quantities of Accelerators or Retarders 25202010 (01/1988-12/2009) Building Plasters Consisting of Calcined Gypsum or Calcium Sulphate, Whether or not Coloured, With or Without Small Quantities of Accelerators or Retarders 25202090 (01/1988-12/2009) Plasters Consisting of Calcined Gypsum or Calcium Sulphate, Whether or not Coloured, With or Without Small Quantities of Accelerators or Retarders (Excl. Building)