共 50 条
- [41] COOLING SYSTEM FOR ELECTRONIC TELEPHONE EXCHANGES. Ericsson Review (English Edition), 1981, 58 (04): : 188 - 195
- [42] ELECTRAPHONE - A NEW BUSINESS TELEPHONE SYSTEM. NEC Research and Development, 1981, 62 : 39 - 48
- [44] EXTENDING DIGITAL SERVICES TO THE TELEPHONE SUBSCRIBER. GEC Journal of Science and Technology, 1979, 45 (02): : 78 - 82
- [45] ELECTRONIC COMPONENTS FOR TELEPHONE SUBSCRIBER SETS. Electronic components & applications, 1981, 3 (04): : 224 - 231
- [48] CONTROL OF TELEPHONE SWITCHING SOFTWARE PRODUCTION. Commutation and Transmission, 1981, 3 (02): : 95 - 108
- [49] EXTENDING DIGITAL SERVICES TO THE TELEPHONE SUBSCRIBER. GEC Telecommunications Journal, 1980, (41): : 5 - 9