C. Olivetti C. SpA, Italy, Philips International BV, The Netherlands, Sperry Corporation (now Unisys), USA, and Siemens Aktiengesellschaft, Federal Republic of Germany, and to the subsequent agreement entered into in pursuance thereof between these undertakings and ATT Information Systems Inc., USA,
C. Olivetti C. SpA, Italie, Philips International BV, Pays-Bas, Sperry Corporation (maintenant Unisys), États-Unis, et Siemens Aktiengesellschaft, république fédérale d'Allemagne, et l'accord conclu ultérieurement en vertu de ce dernier entre ces entreprises et ATT Information Systems Inc., États-Unis,