Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 33185-2016 |
Geographic information—Spatial referencing by geographic identifiers 地理信息 基于地理标识符的空间参照 |
China National Standards Geographic information—Spatial referencing |
 English PDF |
| GB/T 30170.2-2016 |
Geographic information—Spatial referencing by coordinates—Part 2: Extension for parametric values 地理信息 基于坐标的空间参照 第2部分：参数值扩展 |
China National Standards Geographic information—Spatial referencing |
English PDF |
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