ANACOMP <AAC> ACQUIRES DATAGRAPHIX Anacomp Inc said it acquired the common stock of DatagraphiX Inc from General Dynamics Corp <GD> for about 128 mln dlrs. It said the purchase will be financed with a combination of a new bank credit agreement and through private placement of senior subordinated notes and convertible preferred stock. DatagraphiX, which had 1986 sales of 240.7 mln dlrs, manufactures a line of computer output to microfilm hardware and supplie. Anacomp's sales for the year ended Sept 30, 1986 were 108.8 mln dlrs.