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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39674-2020 |
Test specification on softswitch system of power industry 电力软交换系统测试规范 |
China National Standards softswitch |
 English PDF |
| GB/T 31998-2015 |
Technical specification on softswitch systems of power industry 电力软交换系统技术规范 |
China National Standards softswitch |
English PDF |
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