共 50 条
- [44] NEW OPERATIONS AND MAINTENANCE CENTRES FOR SECOND GENERATION SYSTEM X EXCHANGES. British Telecommunications Engineering, 1985, 3 (pt 4): : 286 - 289
- [45] The ABC of the Foreign Exchanges. A Practical Guide ZEITSCHRIFT FUR NATIONALOKONOMIE, 1937, 8 (05): : 675 - 676
- [46] Traffic Capacity and Economic Design of PCM Switching Arrays in Digital Telephone Exchanges. AEU. Archiv fur Elektronik und Ubertragungstechnik, 1981, 35 (01): : 7 - 19
- [47] Influence of injections of sea water on organic exchanges. COMPTES RENDUS DES SEANCES DE LA SOCIETE DE BIOLOGIE ET DE SES FILIALES, 1905, 57 : 1036 - 1036
- [49] MODELS AND TOOLS FOR EVALUATING THE TRAFFIC HANDLING PERFORMANCE OF SYSTEM 12 ISDN EXCHANGES. Electrical communication, 1987, 61 (01): : 104 - 109
- [50] OMT - Terminal for Exploitation and Maintenance of Electromechanical Exchanges. Elektrotehnika Zagreb, 1986, 29 (06): : 393 - 401