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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39396.2-2020 |
Quality requirements for international GNSS monitoring and assessment system (iGMAS)—Part 2: Products 全球连续监测评估系统（iGMAS）质量要求 第2部分：产品 |
China National Standards Quality requirements international |
 English PDF |
| GB/T 39396.1-2020 |
Quality requirements for international GNSS monitoring and assessment system (iGMAS)—Part 1: Observation data 全球连续监测评估系统（iGMAS）质量要求 第1部分：观测数据 |
China National Standards Quality requirements international |
English PDF |
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