	ericsson ericy o to buy rest of spanish unit l m ericsson of sweden said it agreed in principle to buy the pct of intelsa its spanish unit that it does not already own from telefonica spain s telecommunications administration terms of the agreement were not disclosed ericsson said intelsa which controls about pct of the spanish telephone switch market has employees and annual sales of mln crowns or mln dlrs the purchase will not affect the close working relationship between telefonica and intelsa ericsson said reuter 
