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GB 12409-1990
GB 12409-1990 Geographic grid
General Product Information
| Committee | China Standardization and Information Classification and Coding Research Institute |
|---|---|
| Document Type | National standards |
| Publisher Name | The National Technical Supervision Bureau |
| Standard Status | Replaced |
| Standard Code | GB 12409-1990 |
| CCS | \nClassification and coding |
| ICS | Character sets and information encoding |
| Implement Date | 1991-05-01 |
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