共 50 条
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- [25] ON-LINE RETROFITTING OF ELECTRONIC SWITCHING SYSTEMS IEEE TRANSACTIONS ON COMMUNICATION TECHNOLOGY, 1969, CO17 (02): : 99 - &
- [26] RELIABILITY AND FIELD EXPERIENCE OF ELECTRONIC SWITCHING SYSTEMS IEEE TRANSACTIONS ON COMMUNICATION TECHNOLOGY, 1967, CO15 (06): : 736 - &
- [28] ELECTRONIC SWITCHING SYSTEMS - PRESENT STATUS AND TRENDS ELECTRONICS & COMMUNICATIONS IN JAPAN, 1968, 51 (05): : 161 - &
- [29] VIDEO DATA APPLICATION IN ELECTRONIC SWITCHING SYSTEMS REVIEW OF THE ELECTRICAL COMMUNICATIONS LABORATORIES, 1971, 19 (03): : 310 - &
- [30] RELIABILITY FIELD EXPERIENCE IN ELECTRONIC SWITCHING SYSTEMS IEEE TRANSACTIONS ON COMMUNICATION TECHNOLOGY, 1967, CO15 (06): : 729 - &