共 50 条
- [41] HARDWARE DESIGN AND PERFORMANCE CHARACTERISTICS OF NEW PCM MULTIPLEX EQUIPMENT. Reports of the Electrical Communication Laboratory, 1981, 29 (5-6): : 474 - 492
- [47] HARDWARE DESIGN AND PERFORMANCE-CHARACTERISTICS OF NEW PCM MULTIPLEX EQUIPMENT REVIEW OF THE ELECTRICAL COMMUNICATIONS LABORATORIES, 1981, 29 (5-6): : 474 - 492