	general refractories grx to sell operations general refractories co said it agreed to sell its european refractories and building products operations for about mln dlrs to an austrian investor group the european operations had sales of mln dlrs in the last year for which results have been released the company said the sale to a group headed by girozentrale bank of austria is subject to shareholder approval by april it said its board has approved the deal it said general refractories mineral operations are not affected reuter 
