共 2 条
- [1] NEW GENERATION OF 120 AND 480-CHANNEL FDM SYSTEMS FOR TWO-WIRE CABLE OPERATION. Ericsson Review (English Edition), 1978, 55 (03): : 96 - 105
- [2] HF LINE EQUIPMENT ZAX 120T FOR 2-WIRE OPERATION ON SMALL-DIAMETER COAXIAL CABLE ERICSSON REVIEW, 1970, 47 (04): : 122 - +