共 50 条
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- [25] ELECTRONIC SWITCHING SYSTEMS - PRESENT STATUS AND TRENDS ELECTRONICS & COMMUNICATIONS IN JAPAN, 1968, 51 (05): : 161 - &
- [26] DC-DC ELECTRONIC POWER CONVERTER FOR ELECTRONIC SWITCHING SYSTEMS JAPAN TELECOMMUNICATIONS REVIEW, 1975, 17 (03): : 227 - 234
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- [28] OFFICE DATA PRODUCING SYSTEM FOR ELECTRONIC SWITCHING SYSTEMS REVIEW OF THE ELECTRICAL COMMUNICATIONS LABORATORIES, 1976, 24 (11-1): : 933 - 939
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