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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7254-1995 |
Performanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 8448 kbit/s正码速调整二次群数字复用设备技术要求和测试方法 |
China National Standards Performanceand methods the |
 English PDF |
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