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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 28827.6-2019 |
Information technology service—Operations and maintenance—Part 6: Application system service requirements 信息技术服务 运行维护 第6部分：应用系统服务要求 |
China National Standards service—Operations |
 English PDF |
| GB/T 28827.4-2019 |
Information technology service—Operations and maintenance—Part 4: Service requirements for data center 信息技术服务 运行维护 第4部分：数据中心服务要求 |
China National Standards service—Operations |
English PDF |
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