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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 4395-2023 |
Differentiated guarantee business technical requirements {译} 差异化保障业务技术要求 |
China Telecommunication Industry
Standards Differentiated |
 English PDF |
| YD/T 2037-2009 |
Differentiated security service for mobile communication 移动通信差异化安全服务 |
China Telecommunication
Standards Differentiated |
English PDF |
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