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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 14132-1993 |
Performance requirements for digital linesystems on symmetric pair cables used in telecommunication network 对称电缆数字线路系统进网要求 |
China National Standards linesystems |
 English PDF |
| GB/T 14131-1993 |
Performance requirements for digital linesystems on coaxial pair cables used in telecommunication network 同轴电缆数字线路系统进网要求 |
China National Standards linesystems |
English PDF |
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