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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 22528-2023 |
Open service specifications for cultural relics protection units {译} 文物保护单位开放服务规范 |
China National Standards Specifications open service |
 English PDF |
| GB/T 39473-2020 |
Specifications for open service performance of BeiDou navigation satellite system 北斗卫星导航系统公开服务性能规范 |
China National Standards Specifications open service |
English PDF |
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